Merge pull request #4991 from camilamacedo86/refactory-e2e-alpha-update

🌱 (ci) Refactor alpha update E2E tests and increase coverage

Author: k8s-ci-robot

.gitignore

@@ -28,3 +28,4 @@ docs/book/src/docs
 /testdata/**/go.sum
 /docs/book/src/simple-external-plugin-tutorial/testdata/sampleexternalplugin/v1/bin
 /testdata/**legacy**
+/test/e2e/alphaupdate/e2e-**