Revert test.ts changes and use macos-12 for ios

Author: DordeDimitrijev

.github/workflows/react-native-code-push-ci.yml

@@ -49,7 +49,7 @@ jobs:
 
   test-iOS:
     name: Test iOS app
-    runs-on: macos-13
+    runs-on: macOS-12
     env:
       NO_FLIPPER: ${{ secrets.NO_FLIPPER }}
     steps:

test/test.ts

@@ -309,7 +309,6 @@ class RNProjectManager extends ProjectManager {
 
         return TestUtil.getProcessOutput("npx react-native init " + appName + " --version 0.71.3 --install-pods", { cwd: projectDirectory, timeout: 30 * 60 * 1000 })   
         .then((e) => { console.log(`"npx react-native init ${appName}" success. cwd=${projectDirectory}`); return e; })
-            .then(()=>{TestUtil.getProcessOutput("gem install cocoapods", { cwd: projectDirectory, timeout: 30 * 60 * 1000 })}) 
             .then(this.copyTemplate.bind(this, templatePath, projectDirectory))
             .then<void>(TestUtil.getProcessOutput.bind(undefined, TestConfig.thisPluginInstallString, { cwd: path.join(projectDirectory, TestConfig.TestAppName) }))
             .then(() => { return null; })