Fix set-rn-version (#37854)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/37854

Changelog: [Internal] - Fix `saveFiles` in set-rn-version, incorrect function invoke

Reviewed By: NickGerleman

Differential Revision: D46582168

fbshipit-source-id: 944e182a88a1aa79bbf47d36ef8395c21dfefb24

scripts/__tests__/set-rn-version-test.js

@@ -156,7 +156,6 @@ describe('set-rn-version', () => {
     sedMock.mockReturnValueOnce({code: 0});
     const filesToValidate = [
       'packages/react-native/package.json',
-      'packages/react-native/ReactAndroid/gradle.properties',
       'packages/react-native/template/package.json',
     ];
 

scripts/set-rn-version.js

@@ -155,14 +155,19 @@ function setReactNativeVersion(argVersion, dependencyVersions, buildType) {
   // Create tmp folder for copies of files to verify files have changed
   const filesToValidate = [
     'packages/react-native/package.json',
-    'packages/react-native/ReactAndroid/gradle.properties',
     'packages/react-native/template/package.json',
   ];
   const tmpVersioningFolder = fs.mkdtempSync(
     path.join(os.tmpdir(), 'rn-set-version'),
   );
   echo(`The tmp versioning folder is ${tmpVersioningFolder}`);
-  saveFiles(tmpVersioningFolder);
+  saveFiles(
+    [
+      'packages/react-native/package.json',
+      'packages/react-native/template/package.json',
+    ],
+    tmpVersioningFolder,
+  );
 
   setSource(version);
   setPackage(version, dependencyVersions);