diff --git a/test/commands/retrieve/start.test.ts b/test/commands/retrieve/start.test.ts
index 279f67bf..cd655dc5 100644
--- a/test/commands/retrieve/start.test.ts
+++ b/test/commands/retrieve/start.test.ts
@@ -29,7 +29,7 @@ import { RetrieveResultJson } from '../../../src/utils/types.js';
 import { exampleSourceComponent } from '../../utils/testConsts.js';
 import RetrieveMetadata from '../../../src/commands/project/retrieve/start.js';
 
-Messages.importMessagesDirectoryFromMetaUrl(import.meta.url)
+Messages.importMessagesDirectoryFromMetaUrl(import.meta.url);
 const messages = Messages.loadMessages('@salesforce/plugin-deploy-retrieve', 'retrieve.start');
 
 describe('project retrieve start', () => {
diff --git a/test/utils/deployResponses.ts b/test/utils/deployResponses.ts
index 445c915f..ca96c705 100644
--- a/test/utils/deployResponses.ts
+++ b/test/utils/deployResponses.ts
@@ -13,7 +13,7 @@ import {
   MetadataApiDeployStatus,
   RequestStatus,
 } from '@salesforce/source-deploy-retrieve';
-import { cloneJson, ensureArray } from '@salesforce/kit';
+import { ensureArray } from '@salesforce/kit';
 
 const baseDeployResponse = {
   checkOnly: false,
@@ -85,8 +85,7 @@ export const getDeployResponse = (
   type: DeployResponseType,
   overrides?: Partial<MetadataApiDeployStatus>
 ): MetadataApiDeployStatus => {
-  // stringify --> parse to get a clone that doesn't affect the base deploy response
-  const response = JSON.parse(JSON.stringify({ ...baseDeployResponse, ...overrides })) as MetadataApiDeployStatus;
+  const response = structuredClone({ ...baseDeployResponse, ...overrides }) as MetadataApiDeployStatus;
 
   if (type === 'inProgress') {
     response.status = RequestStatus.InProgress;
@@ -104,9 +103,11 @@ export const getDeployResponse = (
   if (type === 'failed') {
     response.status = RequestStatus.Failed;
     response.success = false;
-    response.details.componentSuccesses = cloneJson(baseDeployResponse.details.componentSuccesses[0]) as DeployMessage;
+    response.details.componentSuccesses = structuredClone(
+      baseDeployResponse.details.componentSuccesses[0]
+    ) as DeployMessage;
     response.details.componentFailures = {
-      ...(cloneJson(baseDeployResponse.details.componentSuccesses[1]) as DeployMessage),
+      ...(structuredClone(baseDeployResponse.details.componentSuccesses[1]) as DeployMessage),
       success: false,
       problemType: 'Error',
       problem: 'This component has some problems',
@@ -119,8 +120,12 @@ export const getDeployResponse = (
   if (type === 'failedTest') {
     response.status = RequestStatus.Failed;
     response.success = false;
-    response.details.componentFailures = cloneJson(baseDeployResponse.details.componentSuccesses[1]) as DeployMessage;
-    response.details.componentSuccesses = cloneJson(baseDeployResponse.details.componentSuccesses[0]) as DeployMessage;
+    response.details.componentFailures = structuredClone(
+      baseDeployResponse.details.componentSuccesses[1]
+    ) as DeployMessage;
+    response.details.componentSuccesses = structuredClone(
+      baseDeployResponse.details.componentSuccesses[0]
+    ) as DeployMessage;
     response.details.componentFailures.success = 'false';
     delete response.details.componentFailures.id;
     response.details.componentFailures.problemType = 'Error';
@@ -163,8 +168,12 @@ export const getDeployResponse = (
   if (type === 'passedTest') {
     response.status = RequestStatus.Failed;
     response.success = false;
-    response.details.componentFailures = cloneJson(baseDeployResponse.details.componentSuccesses[1]) as DeployMessage;
-    response.details.componentSuccesses = cloneJson(baseDeployResponse.details.componentSuccesses[0]) as DeployMessage;
+    response.details.componentFailures = structuredClone(
+      baseDeployResponse.details.componentSuccesses[1]
+    ) as DeployMessage;
+    response.details.componentSuccesses = structuredClone(
+      baseDeployResponse.details.componentSuccesses[0]
+    ) as DeployMessage;
     response.details.componentFailures.success = 'false';
     delete response.details.componentFailures.id;
     response.details.componentFailures.problemType = 'Error';
@@ -203,8 +212,12 @@ export const getDeployResponse = (
   if (type === 'codeCoverageWarning') {
     response.status = RequestStatus.Failed;
     response.success = false;
-    response.details.componentFailures = cloneJson(baseDeployResponse.details.componentSuccesses[1]) as DeployMessage;
-    response.details.componentSuccesses = cloneJson(baseDeployResponse.details.componentSuccesses[0]) as DeployMessage;
+    response.details.componentFailures = structuredClone(
+      baseDeployResponse.details.componentSuccesses[1]
+    ) as DeployMessage;
+    response.details.componentSuccesses = structuredClone(
+      baseDeployResponse.details.componentSuccesses[0]
+    ) as DeployMessage;
     response.details.componentFailures.success = 'false';
     delete response.details.componentFailures.id;
     if (response.details.runTestResult) {
@@ -249,8 +262,12 @@ export const getDeployResponse = (
   if (type === 'passedAndFailedTest') {
     response.status = RequestStatus.Failed;
     response.success = false;
-    response.details.componentFailures = cloneJson(baseDeployResponse.details.componentSuccesses[1]) as DeployMessage;
-    response.details.componentSuccesses = cloneJson(baseDeployResponse.details.componentSuccesses[0]) as DeployMessage;
+    response.details.componentFailures = structuredClone(
+      baseDeployResponse.details.componentSuccesses[1]
+    ) as DeployMessage;
+    response.details.componentSuccesses = structuredClone(
+      baseDeployResponse.details.componentSuccesses[0]
+    ) as DeployMessage;
     response.details.componentFailures.success = 'false';
     delete response.details.componentFailures.id;
     response.details.componentFailures.problemType = 'Error';