fix(fixtures): always match empty file for undefined snapshots (#4923)

salesforce · Nov 23, 2024 · e7fb97c · e7fb97c
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diff --git a/...api-setter-on-one-class-member-should-not-conflict-with-@api-getter-on-another/error.json b/...api-setter-on-one-class-member-should-not-conflict-with-@api-getter-on-another/error.json
diff --git a/..._tests__/fixtures/api-decorator/conflicting-api-properties-with-getter-setter/expected.js b/..._tests__/fixtures/api-decorator/conflicting-api-properties-with-getter-setter/expected.js
diff --git a/...t/src/__tests__/fixtures/api-decorator/conflicting-api-properties-with-method/expected.js b/...t/src/__tests__/fixtures/api-decorator/conflicting-api-properties-with-method/expected.js
diff --git a/...-decorator/detecting-@api-on-both-getter-and-a-setter-should-produce-an-error/expected.js b/...-decorator/detecting-@api-on-both-getter-and-a-setter-should-produce-an-error/expected.js
diff --git a/...-plugin-component/src/__tests__/fixtures/api-decorator/disallowed-props/class/expected.js b/...-plugin-component/src/__tests__/fixtures/api-decorator/disallowed-props/class/expected.js
diff --git a/...bel-plugin-component/src/__tests__/fixtures/api-decorator/disallowed-props/is/expected.js b/...bel-plugin-component/src/__tests__/fixtures/api-decorator/disallowed-props/is/expected.js
diff --git a/...l-plugin-component/src/__tests__/fixtures/api-decorator/disallowed-props/slot/expected.js b/...l-plugin-component/src/__tests__/fixtures/api-decorator/disallowed-props/slot/expected.js
diff --git a/...-plugin-component/src/__tests__/fixtures/api-decorator/disallowed-props/style/expected.js b/...-plugin-component/src/__tests__/fixtures/api-decorator/disallowed-props/style/expected.js
diff --git a/...ests__/fixtures/api-decorator/does-not-allow-computed-api-getters-and-setters/expected.js b/...ests__/fixtures/api-decorator/does-not-allow-computed-api-getters-and-setters/expected.js
diff --git a/...__tests__/fixtures/api-decorator/does-not-throw-error-if-property-name-is-data/error.json b/...__tests__/fixtures/api-decorator/does-not-throw-error-if-property-name-is-data/error.json
diff --git a/...ts__/fixtures/api-decorator/does-not-throw-if-property-name-prefixed-with-aria/error.json b/...ts__/fixtures/api-decorator/does-not-throw-if-property-name-prefixed-with-aria/error.json
diff --git a/...lugin-component/src/__tests__/fixtures/api-decorator/duplicate-api-properties/expected.js b/...lugin-component/src/__tests__/fixtures/api-decorator/duplicate-api-properties/expected.js
diff --git a/...api-getter-on-one-class-member-should-not-conflict-with-@api-setter-on-another/error.json b/...api-getter-on-one-class-member-should-not-conflict-with-@api-setter-on-another/error.json
diff --git a/...s__/fixtures/api-decorator/throws-correct-error-if-property-name-is-maxlength/expected.js b/...s__/fixtures/api-decorator/throws-correct-error-if-property-name-is-maxlength/expected.js
diff --git a/...nt/src/__tests__/fixtures/api-decorator/throws-error-if-default-value-is-true/expected.js b/...nt/src/__tests__/fixtures/api-decorator/throws-error-if-default-value-is-true/expected.js
diff --git a/...c/__tests__/fixtures/api-decorator/throws-error-if-property-name-is-ambiguous/expected.js b/...c/__tests__/fixtures/api-decorator/throws-error-if-property-name-is-ambiguous/expected.js
diff --git a/...nt/src/__tests__/fixtures/api-decorator/throws-error-if-property-name-is-part/expected.js b/...nt/src/__tests__/fixtures/api-decorator/throws-error-if-property-name-is-part/expected.js
diff --git a/...sts__/fixtures/api-decorator/throws-error-if-property-name-prefixed-with-data/expected.js b/...sts__/fixtures/api-decorator/throws-error-if-property-name-prefixed-with-data/expected.js
diff --git a/...tests__/fixtures/api-decorator/throws-error-if-property-name-prefixed-with-on/expected.js b/...tests__/fixtures/api-decorator/throws-error-if-property-name-prefixed-with-on/expected.js
diff --git a/...mponent/src/__tests__/fixtures/api-decorator/throws-when-combined-with-@track/expected.js b/...mponent/src/__tests__/fixtures/api-decorator/throws-when-combined-with-@track/expected.js
diff --git a/...in-component/src/__tests__/fixtures/api-decorator/transform-complex-attributes/error.json b/...in-component/src/__tests__/fixtures/api-decorator/transform-complex-attributes/error.json
diff --git a/...plugin-component/src/__tests__/fixtures/api-decorator/transform-nested-classes/error.json b/...plugin-component/src/__tests__/fixtures/api-decorator/transform-nested-classes/error.json
diff --git a/...nent/src/__tests__/fixtures/api-decorator/transform-pairs-of-setter-and-getter/error.json b/...nent/src/__tests__/fixtures/api-decorator/transform-pairs-of-setter-and-getter/error.json
diff --git a/...lugin-component/src/__tests__/fixtures/api-decorator/transforms-public-getters/error.json b/...lugin-component/src/__tests__/fixtures/api-decorator/transforms-public-getters/error.json
diff --git a/...lugin-component/src/__tests__/fixtures/api-decorator/transforms-public-methods/error.json b/...lugin-component/src/__tests__/fixtures/api-decorator/transforms-public-methods/error.json
diff --git a/...-plugin-component/src/__tests__/fixtures/api-decorator/transforms-public-props/error.json b/...-plugin-component/src/__tests__/fixtures/api-decorator/transforms-public-props/error.json
diff --git a/.../fixtures/api-decorator/w-9927596-public-getter-setter-with-duplicate-property/error.json b/.../fixtures/api-decorator/w-9927596-public-getter-setter-with-duplicate-property/error.json
diff --git a/.../fixtures/api-decorator/w-9927596-public-property-with-duplicate-getter-setter/error.json b/.../fixtures/api-decorator/w-9927596-public-property-with-duplicate-getter-setter/error.json
diff --git a/...src/__tests__/fixtures/component/allow-to-remap-the-import-to-lightningelement/error.json b/...src/__tests__/fixtures/component/allow-to-remap-the-import-to-lightningelement/error.json
diff --git a/...sts__/fixtures/component/allows-importing-supported-apis-from-@lwc-engine-core/error.json b/...sts__/fixtures/component/allows-importing-supported-apis-from-@lwc-engine-core/error.json
diff --git a/...ests__/fixtures/component/allows-importing-supported-apis-from-@lwc-engine-dom/error.json b/...ests__/fixtures/component/allows-importing-supported-apis-from-@lwc-engine-dom/error.json
diff --git a/...s__/fixtures/component/allows-importing-supported-apis-from-@lwc-engine-server/error.json b/...s__/fixtures/component/allows-importing-supported-apis-from-@lwc-engine-server/error.json
diff --git a/...lugin-component/src/__tests__/fixtures/component/camel-to-kebab-component-name/error.json b/...lugin-component/src/__tests__/fixtures/component/camel-to-kebab-component-name/error.json
diff --git a/...ponent/does-not-insert-render-method-when-extending-from-legacy-engine-element/error.json b/...ponent/does-not-insert-render-method-when-extending-from-legacy-engine-element/error.json
diff --git a/...lwc/babel-plugin-component/src/__tests__/fixtures/component/export-engine-star/error.json b/...lwc/babel-plugin-component/src/__tests__/fixtures/component/export-engine-star/error.json
diff --git a/...gin-component/src/__tests__/fixtures/component/import-engine-default-and-named/error.json b/...gin-component/src/__tests__/fixtures/component/import-engine-default-and-named/error.json
diff --git a/.../babel-plugin-component/src/__tests__/fixtures/component/import-engine-default/error.json b/.../babel-plugin-component/src/__tests__/fixtures/component/import-engine-default/error.json
diff --git a/...lwc/babel-plugin-component/src/__tests__/fixtures/component/import-engine-star/error.json b/...lwc/babel-plugin-component/src/__tests__/fixtures/component/import-engine-star/error.json
diff --git a/...c/babel-plugin-component/src/__tests__/fixtures/component/inject-render-method/error.json b/...c/babel-plugin-component/src/__tests__/fixtures/component/inject-render-method/error.json
diff --git a/...n-component/src/__tests__/fixtures/component/keep-the-render-method-if-present/error.json b/...n-component/src/__tests__/fixtures/component/keep-the-render-method-if-present/error.json
diff --git a/...nent/src/__tests__/fixtures/component/only-inject-render-in-the-exported-class/error.json b/...nent/src/__tests__/fixtures/component/only-inject-render-in-the-exported-class/error.json
diff --git a/...ixtures/decorators/should-register-decorators-for-anonymous-class-declarations/error.json b/...ixtures/decorators/should-register-decorators-for-anonymous-class-declarations/error.json
diff --git a/...fixtures/decorators/should-register-decorators-for-anonymous-class-expressions/error.json b/...fixtures/decorators/should-register-decorators-for-anonymous-class-expressions/error.json
diff --git a/...src/__tests__/fixtures/decorators/should-throw-if-a-decorator-is-dereferenced/expected.js b/...src/__tests__/fixtures/decorators/should-throw-if-a-decorator-is-dereferenced/expected.js
diff --git a/...ixtures/decorators/should-throw-if-a-decorator-is-used-as-a-member-expression/expected.js b/...ixtures/decorators/should-throw-if-a-decorator-is-used-as-a-member-expression/expected.js
diff --git a/.../__tests__/fixtures/decorators/should-throw-if-a-decorator-is-used-on-a-class/expected.js b/.../__tests__/fixtures/decorators/should-throw-if-a-decorator-is-used-on-a-class/expected.js
diff --git a/...ixtures/decorators/should-throw-if-an-global-decorator-is-used-on-class-field/expected.js b/...ixtures/decorators/should-throw-if-an-global-decorator-is-used-on-class-field/expected.js
diff --git a/...tures/decorators/should-throw-if-an-global-decorator-is-used-on-class-methods/expected.js b/...tures/decorators/should-throw-if-an-global-decorator-is-used-on-class-methods/expected.js
diff --git a/...fixtures/decorators/should-throw-when-api-decorator-was-not-imported-from-lwc/expected.js b/...fixtures/decorators/should-throw-when-api-decorator-was-not-imported-from-lwc/expected.js
diff --git a/...xtures/decorators/should-throw-when-track-decorator-was-not-imported-from-lwc/expected.js b/...xtures/decorators/should-throw-when-track-decorator-was-not-imported-from-lwc/expected.js
diff --git a/...ixtures/decorators/should-throw-when-wire-decorator-was-not-imported-from-lwc/expected.js b/...ixtures/decorators/should-throw-when-wire-decorator-was-not-imported-from-lwc/expected.js
diff --git a/...corators/should-transform-decorators-on-classdeclaration-in-a-large-input-file/error.json b/...corators/should-transform-decorators-on-classdeclaration-in-a-large-input-file/error.json
diff --git a/...ecorators/should-transform-decorators-on-classexpression-in-a-large-input-file/error.json b/...ecorators/should-transform-decorators-on-classexpression-in-a-large-input-file/error.json
diff --git a/...src/__tests__/fixtures/decorators/throws-if-a-decorator-is-used-as-a-function/expected.js b/...src/__tests__/fixtures/decorators/throws-if-a-decorator-is-used-as-a-function/expected.js
diff --git a/...ors/latest/should-not-register-decorators-if-anonymous-class-has-no-superclass/error.json b/...ors/latest/should-not-register-decorators-if-anonymous-class-has-no-superclass/error.json
diff --git a/...orators/latest/should-not-register-decorators-if-named-class-has-no-superclass/error.json b/...orators/latest/should-not-register-decorators-if-named-class-has-no-superclass/error.json
diff --git a/...uld-register-decorators-for-anonymous-class-that-extends-non-lightning-element/error.json b/...uld-register-decorators-for-anonymous-class-that-extends-non-lightning-element/error.json
diff --git a/.../should-register-decorators-for-named-class-that-extends-non-lightning-element/error.json b/.../should-register-decorators-for-named-class-that-extends-non-lightning-element/error.json
diff --git a/...uld-register-decorators-for-anonymous-class-that-extends-non-lightning-element/error.json b/...uld-register-decorators-for-anonymous-class-that-extends-non-lightning-element/error.json
diff --git a/.../should-register-decorators-for-named-class-that-extends-non-lightning-element/error.json b/.../should-register-decorators-for-named-class-that-extends-non-lightning-element/error.json
diff --git a/...decorators/v59/should-register-decorators-if-anonymous-class-has-no-superclass/error.json b/...decorators/v59/should-register-decorators-if-anonymous-class-has-no-superclass/error.json
diff --git a/...ter-decorators/v59/should-register-decorators-if-named-class-has-no-superclass/error.json b/...ter-decorators/v59/should-register-decorators-if-named-class-has-no-superclass/error.json
diff --git a/...nent/src/__tests__/fixtures/dedupe-imports/should-handle-an-alias-of-an-export/error.json b/...nent/src/__tests__/fixtures/dedupe-imports/should-handle-an-alias-of-an-export/error.json
diff --git a/...orts/should-handle-both-default-and-importing-the-entire-contents-for-a-module/error.json b/...orts/should-handle-both-default-and-importing-the-entire-contents-for-a-module/error.json
diff --git a/...ts__/fixtures/dedupe-imports/should-handle-multiple-aliases-of-the-same-export/error.json b/...ts__/fixtures/dedupe-imports/should-handle-multiple-aliases-of-the-same-export/error.json
diff --git a/...s__/fixtures/dedupe-imports/should-handle-multiple-defaults-of-the-same-export/error.json b/...s__/fixtures/dedupe-imports/should-handle-multiple-defaults-of-the-same-export/error.json
diff --git a/...-component/src/__tests__/fixtures/dedupe-imports/should-handle-the-simple-case/error.json b/...-component/src/__tests__/fixtures/dedupe-imports/should-handle-the-simple-case/error.json
diff --git a/...__tests__/fixtures/dedupe-imports/should-support-importing-names-and-default-2/error.json b/...__tests__/fixtures/dedupe-imports/should-support-importing-names-and-default-2/error.json
diff --git a/...c/__tests__/fixtures/dedupe-imports/should-support-importing-names-and-default/error.json b/...c/__tests__/fixtures/dedupe-imports/should-support-importing-names-and-default/error.json
diff --git a/...tures/dedupe-imports/should-support-importing-the-entire-contents-for-a-module/error.json b/...tures/dedupe-imports/should-support-importing-the-entire-contents-for-a-module/error.json
diff --git a/...-component/src/__tests__/fixtures/dynamic-imports/check-validation-for-strict/expected.js b/...-component/src/__tests__/fixtures/dynamic-imports/check-validation-for-strict/expected.js
diff --git a/...gin-component/src/__tests__/fixtures/dynamic-imports/passthough-with-no-config/error.json b/...gin-component/src/__tests__/fixtures/dynamic-imports/passthough-with-no-config/error.json
diff --git a/...ent/src/__tests__/fixtures/dynamic-imports/test-custom-loader-multiple-imports/error.json b/...ent/src/__tests__/fixtures/dynamic-imports/test-custom-loader-multiple-imports/error.json
diff --git a/...bel-plugin-component/src/__tests__/fixtures/dynamic-imports/test-custom-loader/error.json b/...bel-plugin-component/src/__tests__/fixtures/dynamic-imports/test-custom-loader/error.json
diff --git a/...src/__tests__/fixtures/dynamic-imports/unchanged-dynamic-import-in-strict-mode/error.json b/...src/__tests__/fixtures/dynamic-imports/unchanged-dynamic-import-in-strict-mode/error.json
diff --git a/.../babel-plugin-component/src/__tests__/fixtures/implicit-explicit/api-decorator/error.json b/.../babel-plugin-component/src/__tests__/fixtures/implicit-explicit/api-decorator/error.json
diff --git a/...ges/@lwc/babel-plugin-component/src/__tests__/fixtures/implicit-explicit/mixin/error.json b/...ges/@lwc/babel-plugin-component/src/__tests__/fixtures/implicit-explicit/mixin/error.json
diff --git a/...-component/src/__tests__/fixtures/implicit-explicit/noop-implicit-export-const/error.json b/...-component/src/__tests__/fixtures/implicit-explicit/noop-implicit-export-const/error.json
diff --git a/...mponent/src/__tests__/fixtures/implicit-explicit/noop-implicit-export-function/error.json b/...mponent/src/__tests__/fixtures/implicit-explicit/noop-implicit-export-function/error.json
diff --git a/...in-component/src/__tests__/fixtures/implicit-explicit/test-cmp-anonymous-class/error.json b/...in-component/src/__tests__/fixtures/implicit-explicit/test-cmp-anonymous-class/error.json
diff --git a/.../src/__tests__/fixtures/implicit-explicit/test-cmp-named-class-with-decorators/error.json b/.../src/__tests__/fixtures/implicit-explicit/test-cmp-named-class-with-decorators/error.json
diff --git a/...ages/@lwc/babel-plugin-component/src/__tests__/fixtures/implicit-explicit/wire/error.json b/...ages/@lwc/babel-plugin-component/src/__tests__/fixtures/implicit-explicit/wire/error.json
diff --git a/...es/@lwc/babel-plugin-component/src/__tests__/fixtures/import-scoped-stylesheet/error.json b/...es/@lwc/babel-plugin-component/src/__tests__/fixtures/import-scoped-stylesheet/error.json
diff --git a/...ests__/fixtures/observed-fields/should-add-observed-fields-in-class-expression/error.json b/...ests__/fixtures/observed-fields/should-add-observed-fields-in-class-expression/error.json
diff --git a/...-registercomponentcall-when-a-field-is-not-decorated-with-@api-@track-or-@wire/error.json b/...-registercomponentcall-when-a-field-is-not-decorated-with-@api-@track-or-@wire/error.json
diff --git a/...tests__/fixtures/observed-fields/should-not-observe-changes-in-a-static-fields/error.json b/...tests__/fixtures/observed-fields/should-not-observe-changes-in-a-static-fields/error.json
diff --git a/...tests__/fixtures/observed-fields/should-not-observe-changes-in-computed-fields/error.json b/...tests__/fixtures/observed-fields/should-not-observe-changes-in-computed-fields/error.json
diff --git a/...d-not-process-reserved-words-as-field-when-decorated-with-@api-@track-or-@wire/error.json b/...d-not-process-reserved-words-as-field-when-decorated-with-@api-@track-or-@wire/error.json
diff --git a/..._/fixtures/observed-fields/should-transform-export-default-that-is-not-a-class/error.json b/..._/fixtures/observed-fields/should-transform-export-default-that-is-not-a-class/error.json
diff --git a/...xtures/track-decorator/throws-if-track-decorator-is-applied-to-a-class-method/expected.js b/...xtures/track-decorator/throws-if-track-decorator-is-applied-to-a-class-method/expected.js
diff --git a/...s__/fixtures/track-decorator/throws-if-track-decorator-is-applied-to-a-getter/expected.js b/...s__/fixtures/track-decorator/throws-if-track-decorator-is-applied-to-a-getter/expected.js
diff --git a/...s__/fixtures/track-decorator/throws-if-track-decorator-is-applied-to-a-setter/expected.js b/...s__/fixtures/track-decorator/throws-if-track-decorator-is-applied-to-a-setter/expected.js
diff --git a/...mponent/src/__tests__/fixtures/track-decorator/transform-track-decorator-field/error.json b/...mponent/src/__tests__/fixtures/track-decorator/transform-track-decorator-field/error.json
diff --git a/...ts__/fixtures/track-decorator/transform-track-decorator-preserve-initial-value/error.json b/...ts__/fixtures/track-decorator/transform-track-decorator-preserve-initial-value/error.json
diff --git a/...acket-notation-for-param-when-its-definition-has-invalid-identifier-as-segment/error.json b/...acket-notation-for-param-when-its-definition-has-invalid-identifier-as-segment/error.json
diff --git a/...g-function-should-use-bracket-notation-when-param-definition-has-empty-segment/error.json b/...g-function-should-use-bracket-notation-when-param-definition-has-empty-segment/error.json
diff --git a/...ures/wire-decorator/decorator-accepts-a-function-identifier-as-first-parameter/error.json b/...ures/wire-decorator/decorator-accepts-a-function-identifier-as-first-parameter/error.json
diff --git a/...nt/src/__tests__/fixtures/wire-decorator/decorator-accepts-a-member-expression/error.json b/...nt/src/__tests__/fixtures/wire-decorator/decorator-accepts-a-member-expression/error.json
diff --git a/...wire-decorator/decorator-accepts-an-optional-config-object-as-second-parameter/error.json b/...wire-decorator/decorator-accepts-an-optional-config-object-as-second-parameter/error.json
diff --git a/...es/wire-decorator/decorator-expects-an-imported-identifier-as-first-parameter/expected.js b/...es/wire-decorator/decorator-expects-an-imported-identifier-as-first-parameter/expected.js
diff --git a/...sts__/fixtures/wire-decorator/decorator-expects-an-object-as-second-parameter/expected.js b/...sts__/fixtures/wire-decorator/decorator-expects-an-object-as-second-parameter/expected.js
diff --git a/...s__/fixtures/wire-decorator/decorator-expects-wire-adapter-as-first-parameter/expected.js b/...s__/fixtures/wire-decorator/decorator-expects-wire-adapter-as-first-parameter/expected.js
diff --git a/...tests__/fixtures/wire-decorator/decorator-expects-wire-adapter-to-be-imported/expected.js b/...tests__/fixtures/wire-decorator/decorator-expects-wire-adapter-to-be-imported/expected.js
diff --git a/.../__tests__/fixtures/wire-decorator/decorator-rejects-nested-member-expression/expected.js b/.../__tests__/fixtures/wire-decorator/decorator-rejects-nested-member-expression/expected.js
diff --git a/...l-plugin-component/src/__tests__/fixtures/wire-decorator/ignores-object-method/error.json b/...l-plugin-component/src/__tests__/fixtures/wire-decorator/ignores-object-method/error.json
diff --git a/...-plugin-component/src/__tests__/fixtures/wire-decorator/ignores-spread-element/error.json b/...-plugin-component/src/__tests__/fixtures/wire-decorator/ignores-spread-element/error.json
diff --git a/...ixtures/wire-decorator/should-not-throw-when-using-2-separate-wired-decorators/error.json b/...ixtures/wire-decorator/should-not-throw-when-using-2-separate-wired-decorators/error.json
diff --git a/...src/__tests__/fixtures/wire-decorator/throws-when-computed-prop-is-expression/expected.js b/...src/__tests__/fixtures/wire-decorator/throws-when-computed-prop-is-expression/expected.js
diff --git a/...c/__tests__/fixtures/wire-decorator/throws-when-computed-prop-is-let-variable/expected.js b/...c/__tests__/fixtures/wire-decorator/throws-when-computed-prop-is-let-variable/expected.js
diff --git a/...__tests__/fixtures/wire-decorator/throws-when-computed-prop-is-regexp-literal/expected.js b/...__tests__/fixtures/wire-decorator/throws-when-computed-prop-is-regexp-literal/expected.js
diff --git a/...tests__/fixtures/wire-decorator/throws-when-computed-prop-is-template-literal/expected.js b/...tests__/fixtures/wire-decorator/throws-when-computed-prop-is-template-literal/expected.js
diff --git a/...nt/src/__tests__/fixtures/wire-decorator/throws-when-using-2-wired-decorators/expected.js b/...nt/src/__tests__/fixtures/wire-decorator/throws-when-using-2-wired-decorators/expected.js
diff --git a/...ests__/fixtures/wire-decorator/throws-when-wired-method-is-combined-with-@api/expected.js b/...ests__/fixtures/wire-decorator/throws-when-wired-method-is-combined-with-@api/expected.js
diff --git a/...ts__/fixtures/wire-decorator/throws-when-wired-property-is-combined-with-@api/expected.js b/...ts__/fixtures/wire-decorator/throws-when-wired-property-is-combined-with-@api/expected.js
diff --git a/...__/fixtures/wire-decorator/throws-when-wired-property-is-combined-with-@track/expected.js b/...__/fixtures/wire-decorator/throws-when-wired-property-is-combined-with-@track/expected.js
diff --git a/..._tests__/fixtures/wire-decorator/transforms-computed-properties-const-from-obj/error.json b/..._tests__/fixtures/wire-decorator/transforms-computed-properties-const-from-obj/error.json
diff --git a/...component/src/__tests__/fixtures/wire-decorator/transforms-computed-properties/error.json b/...component/src/__tests__/fixtures/wire-decorator/transforms-computed-properties/error.json
diff --git a/...onent/src/__tests__/fixtures/wire-decorator/transforms-multiple-dynamic-params/error.json b/...onent/src/__tests__/fixtures/wire-decorator/transforms-multiple-dynamic-params/error.json
diff --git a/...__tests__/fixtures/wire-decorator/transforms-named-imports-from-static-imports/error.json b/...__tests__/fixtures/wire-decorator/transforms-named-imports-from-static-imports/error.json
diff --git a/...lugin-component/src/__tests__/fixtures/wire-decorator/transforms-numeric-props/error.json b/...lugin-component/src/__tests__/fixtures/wire-decorator/transforms-numeric-props/error.json
diff --git a/...tests__/fixtures/wire-decorator/transforms-object-properties-as-string-literal/error.json b/...tests__/fixtures/wire-decorator/transforms-object-properties-as-string-literal/error.json
diff --git a/...ts__/fixtures/wire-decorator/transforms-parameters-with-2-levels-deep--foo.bar/error.json b/...ts__/fixtures/wire-decorator/transforms-parameters-with-2-levels-deep--foo.bar/error.json
diff --git a/...ests__/fixtures/wire-decorator/transforms-parameters-with-multiple-levels-deep/error.json b/...ests__/fixtures/wire-decorator/transforms-parameters-with-multiple-levels-deep/error.json
diff --git a/...-plugin-component/src/__tests__/fixtures/wire-decorator/transforms-wired-field/error.json b/...-plugin-component/src/__tests__/fixtures/wire-decorator/transforms-wired-field/error.json
diff --git a/...plugin-component/src/__tests__/fixtures/wire-decorator/transforms-wired-method/error.json b/...plugin-component/src/__tests__/fixtures/wire-decorator/transforms-wired-method/error.json
diff --git a/packages/@lwc/engine-server/src/__tests__/fixtures.spec.ts b/packages/@lwc/engine-server/src/__tests__/fixtures.spec.ts
@@ -116,7 +116,7 @@ function testFixtures(options?: RollupLwcOptions) {
                 const message = err?.message?.match(/(LWC\d+[^\n]+)/)?.[1];
                 return {
                     'expected.html': '',
-                    'error.txt': message ?? '',
+                    'error.txt': message,
                 };
             }
 
@@ -136,10 +136,12 @@ function testFixtures(options?: RollupLwcOptions) {
             let result;
             let err;
             try {
-                result = lwcEngineServer!.renderComponent(
-                    module!.tagName,
-                    module!.default,
-                    config?.props ?? {}
+                result = formatHTML(
+                    lwcEngineServer!.renderComponent(
+                        module!.tagName,
+                        module!.default,
+                        config?.props ?? {}
+                    )
                 );
             } catch (_err: any) {
                 if (_err.name === 'AssertionError') {
@@ -153,8 +155,8 @@ function testFixtures(options?: RollupLwcOptions) {
             });
 
             return {
-                'expected.html': result ? formatHTML(result) : '',
-                'error.txt': err ?? '',
+                'expected.html': result,
+                'error.txt': err,
             };
         }
     );

diff --git a/packages/@lwc/ssr-compiler/src/__tests__/fixtures.spec.ts b/packages/@lwc/ssr-compiler/src/__tests__/fixtures.spec.ts
@@ -104,31 +104,25 @@ describe.runIf(process.env.TEST_SSR_COMPILER).concurrent('fixtures', () => {
             const module = (await import(compiledFixturePath)) as FixtureModule;
 
             let result;
+            let error;
+
             try {
-                result = await serverSideRenderComponent(
-                    module!.tagName,
-                    module!.default,
-                    config?.props ?? {},
-                    SSR_MODE
+                result = formatHTML(
+                    await serverSideRenderComponent(
+                        module!.tagName,
+                        module!.default,
+                        config?.props ?? {},
+                        SSR_MODE
+                    )
                 );
             } catch (err: any) {
-                return {
-                    [errorFile]: err.message,
-                    [expectedFile]: '',
-                };
+                error = err.message;
             }
 
-            try {
-                return {
-                    [errorFile]: '',
-                    [expectedFile]: formatHTML(result),
-                };
-            } catch (_err: any) {
-                return {
-                    [errorFile]: `Test helper could not format HTML:\n\n${result}`,
-                    [expectedFile]: '',
-                };
-            }
+            return {
+                [errorFile]: error,
+                [expectedFile]: result,
+            };
         }
     );
 });
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/aria-attributes/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/aria-attributes/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/at-rules/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/at-rules/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/back-slash/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/back-slash/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/complex-selectors/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/complex-selectors/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/css-import-media-query/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/css-import-media-query/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/css-import-not-at-the-top/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/css-import-not-at-the-top/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/css-import-url/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/css-import-url/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/css-import-without-string/expected.js b/packages/@lwc/style-compiler/src/__tests__/fixtures/css-import-without-string/expected.js
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/css-import/expected.js b/packages/@lwc/style-compiler/src/__tests__/fixtures/css-import/expected.js
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/data-attributes/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/data-attributes/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/deprecated-deep-selector/expected.js b/packages/@lwc/style-compiler/src/__tests__/fixtures/deprecated-deep-selector/expected.js
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/deprecated-shadow-selector/expected.js b/packages/@lwc/style-compiler/src/__tests__/fixtures/deprecated-shadow-selector/expected.js
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/dir-attribute/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/dir-attribute/error.json
diff --git a/...ges/@lwc/style-compiler/src/__tests__/fixtures/dir-pseudo-class-invalid-value/expected.js b/...ges/@lwc/style-compiler/src/__tests__/fixtures/dir-pseudo-class-invalid-value/expected.js
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/dir-pseudo-class/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/dir-pseudo-class/error.json
diff --git a/...ests__/fixtures/disable-synthetic-shadow-support-host-context-selector-scoped/expected.js b/...ests__/fixtures/disable-synthetic-shadow-support-host-context-selector-scoped/expected.js
diff --git a/.../src/__tests__/fixtures/disable-synthetic-shadow-support-host-context-selector/error.json b/.../src/__tests__/fixtures/disable-synthetic-shadow-support-host-context-selector/error.json
diff --git a/...yle-compiler/src/__tests__/fixtures/disable-synthetic-shadow-support-keyframes/error.json b/...yle-compiler/src/__tests__/fixtures/disable-synthetic-shadow-support-keyframes/error.json
diff --git a/.../src/__tests__/fixtures/disable-synthetic-shadow-support-root-selector-scoped/expected.js b/.../src/__tests__/fixtures/disable-synthetic-shadow-support-root-selector-scoped/expected.js
diff --git a/...compiler/src/__tests__/fixtures/disable-synthetic-shadow-support-root-selector/error.json b/...compiler/src/__tests__/fixtures/disable-synthetic-shadow-support-root-selector/error.json
diff --git a/...es/@lwc/style-compiler/src/__tests__/fixtures/disable-synthetic-shadow-support/error.json b/...es/@lwc/style-compiler/src/__tests__/fixtures/disable-synthetic-shadow-support/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/escape-string-characters/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/escape-string-characters/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/global-html-attributes/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/global-html-attributes/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/grave-accents/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/grave-accents/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/host-functional-complex/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/host-functional-complex/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/host-functional/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/host-functional/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/host-with-other-rule/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/host-with-other-rule/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/host/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/host/error.json
diff --git a/...s/@lwc/style-compiler/src/__tests__/fixtures/id-selector-in-compound-selector/expected.js b/...s/@lwc/style-compiler/src/__tests__/fixtures/id-selector-in-compound-selector/expected.js
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/id-selector/expected.js b/packages/@lwc/style-compiler/src/__tests__/fixtures/id-selector/expected.js
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/import-in-scoped/expected.js b/packages/@lwc/style-compiler/src/__tests__/fixtures/import-in-scoped/expected.js
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/invalid-css/expected.js b/packages/@lwc/style-compiler/src/__tests__/fixtures/invalid-css/expected.js
diff --git a/...es/@lwc/style-compiler/src/__tests__/fixtures/keyframes-with-custom-properties/error.json b/...es/@lwc/style-compiler/src/__tests__/fixtures/keyframes-with-custom-properties/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/keyframes/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/keyframes/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/large-stylesheet/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/large-stylesheet/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/light-dom-scoped/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/light-dom-scoped/error.json
diff --git a/...lwc/style-compiler/src/__tests__/fixtures/lwc-reserved-foreach-attribute-rule/expected.js b/...lwc/style-compiler/src/__tests__/fixtures/lwc-reserved-foreach-attribute-rule/expected.js
diff --git a/...lwc/style-compiler/src/__tests__/fixtures/lwc-reserved-iffalse-attribute-rule/expected.js b/...lwc/style-compiler/src/__tests__/fixtures/lwc-reserved-iffalse-attribute-rule/expected.js
diff --git a/...@lwc/style-compiler/src/__tests__/fixtures/lwc-reserved-iftrue-attribute-rule/expected.js b/...@lwc/style-compiler/src/__tests__/fixtures/lwc-reserved-iftrue-attribute-rule/expected.js
diff --git a/...wc/style-compiler/src/__tests__/fixtures/lwc-reserved-iterator-attribute-rule/expected.js b/...wc/style-compiler/src/__tests__/fixtures/lwc-reserved-iterator-attribute-rule/expected.js
diff --git a/...es/@lwc/style-compiler/src/__tests__/fixtures/lwc-reserved-key-attribute-rule/expected.js b/...es/@lwc/style-compiler/src/__tests__/fixtures/lwc-reserved-key-attribute-rule/expected.js
diff --git a/...@lwc/style-compiler/src/__tests__/fixtures/lwc-reserved-similarButAllowed-rule/error.json b/...@lwc/style-compiler/src/__tests__/fixtures/lwc-reserved-similarButAllowed-rule/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/media-query-with-host/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/media-query-with-host/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/media-query/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/media-query/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/multi-line/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/multi-line/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/multi-selectors/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/multi-selectors/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/nester-vars-compounded/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/nester-vars-compounded/error.json
diff --git a/...lwc/style-compiler/src/__tests__/fixtures/no-selector-whitespace-inside-braces/error.json b/...lwc/style-compiler/src/__tests__/fixtures/no-selector-whitespace-inside-braces/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/no-selector-with-whitespace/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/no-selector-with-whitespace/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/no-selector/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/no-selector/error.json
diff --git a/...es/@lwc/style-compiler/src/__tests__/fixtures/pseudo-class-functional-selector/error.json b/...es/@lwc/style-compiler/src/__tests__/fixtures/pseudo-class-functional-selector/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/pseudo-class-selector/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/pseudo-class-selector/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/pseudo-element/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/pseudo-element/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/simple-selectors/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/simple-selectors/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/support-query/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/support-query/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/universal-selector/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/universal-selector/error.json
diff --git a/.../@lwc/style-compiler/src/__tests__/fixtures/unsupported-host-context-selector/expected.js b/.../@lwc/style-compiler/src/__tests__/fixtures/unsupported-host-context-selector/expected.js
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/unsupported-root-selector/expected.js b/packages/@lwc/style-compiler/src/__tests__/fixtures/unsupported-root-selector/expected.js
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/var-function-multiple/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/var-function-multiple/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/var-function-nested/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/var-function-nested/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/var-function/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/var-function/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/var-host-combined/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/var-host-combined/error.json
diff --git a/.../style-compiler/src/__tests__/fixtures/var-nested-with-resolver-and-color-name/error.json b/.../style-compiler/src/__tests__/fixtures/var-nested-with-resolver-and-color-name/error.json
diff --git a/packages/@lwc/style-compiler/src/__tests__/fixtures/var-nested-with-resolver/error.json b/packages/@lwc/style-compiler/src/__tests__/fixtures/var-nested-with-resolver/error.json
diff --git a/scripts/test-utils/test-fixture-dir.ts b/scripts/test-utils/test-fixture-dir.ts
@@ -137,13 +137,8 @@ export function testFixtureDir<T extends TestFixtureConfig>(
 
             for (const [outputName, content] of Object.entries(outputs)) {
                 const outputPath = path.resolve(dirname, outputName);
-
                 try {
-                    if (content === undefined) {
-                        expect(fs.existsSync(outputPath)).toBe(false);
-                    } else {
-                        await expect(content).toMatchFileSnapshot(outputPath);
-                    }
+                    await expect(content ?? '').toMatchFileSnapshot(outputPath);
                 } catch (err) {
                     if (typeof err === 'object' && err !== null) {
                         // Hide unhelpful noise in the stack trace