chore(docs): modified file-mock path for typescript config on unit-te… (#32390)

Author: jvidalv

docs/docs/how-to/testing/unit-testing.md

@@ -273,7 +273,7 @@ const paths = pathsToModuleNameMapper(compilerOptions.paths, {
 ```js:title=jest.config.js
   moduleNameMapper: {
     '.+\\.(css|styl|less|sass|scss)$': `identity-obj-proxy`,
-    '.+\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$': `<rootDir>/tests/file-mock.js`,
+    '.+\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$': `<rootDir>/__mocks__/file-mock.js`,
     ...paths,
   },
 ```