chore: do not string replace with self in test (#14588)

Author: SimenB

packages/jest-transform/src/__tests__/ScriptTransformer.test.ts

@@ -76,16 +76,14 @@ jest
 jest.mock(
   'test_preprocessor',
   () => {
-    const escapeStrings = (str: string) => str.replace(/'/, "'");
-
     const transformer: Transformer = {
       getCacheKey: jest.fn(() => 'ab'),
       process: (content, filename, config) => ({
         code: (require('dedent') as typeof import('dedent').default)`
           const TRANSFORMED = {
-            filename: '${escapeStrings(filename)}',
-            script: '${escapeStrings(content)}',
-            config: '${escapeStrings(JSON.stringify(config))}',
+            filename: '${filename}',
+            script: '${content}',
+            config: '${JSON.stringify(config)}',
           };
         `,
       }),
@@ -99,17 +97,15 @@ jest.mock(
 jest.mock(
   'test_async_preprocessor',
   () => {
-    const escapeStrings = (str: string) => str.replace(/'/, "'");
-
     const transformer: AsyncTransformer = {
       getCacheKeyAsync: jest.fn(() => Promise.resolve('ab')),
       processAsync: (content, filename, config) =>
         Promise.resolve({
           code: (require('dedent') as typeof import('dedent').default)`
           const TRANSFORMED = {
-            filename: '${escapeStrings(filename)}',
-            script: '${escapeStrings(content)}',
-            config: '${escapeStrings(JSON.stringify(config))}',
+            filename: '${filename}',
+            script: '${content}',
+            config: '${JSON.stringify(config)}',
           };
         `,
         }),