tests: fixed coverage by enabling sourceMaps again

tsconfig.json

@@ -24,7 +24,7 @@
     // "useDefineForClassFields": true,                  /* Emit ECMAScript-standard-compliant class fields. */
 
     /* Modules */
-    "module": "ESNext"                                 /* Specify what module code is generated. */,
+    "module": "ESNext"                                   /* Specify what module code is generated. */,
     // "rootDir": "./",                                  /* Specify the root folder within your source files. */
     "moduleResolution": "Node",                          /* Specify how TypeScript looks up a file from a given module specifier. */
     // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
@@ -45,7 +45,7 @@
     "declaration": true                                  /* Generate .d.ts files from TypeScript and JavaScript files in your project. */,
     "declarationMap": true                               /* Create sourcemaps for d.ts files. */,
     // "emitDeclarationOnly": true,                      /* Only output d.ts files and not JavaScript files. */
-    "sourceMap": false                                   /* Create source map files for emitted JavaScript files. */,
+    // "sourceMap": true                                 /* Create source map files for emitted JavaScript files. */,
     // "outFile": "./",                                  /* Specify a file that bundles all outputs into one JavaScript file. If `declaration` is true, also designates a file that bundles all .d.ts output. */
     "outDir": "./dist"                                   /* Specify an output folder for all emitted files. */,
     // "removeComments": true,                           /* Disable emitting comments. */