Envtest based integration tests for Fission (#2858)

* skeleton for envtest fission
* Refactor code and add CLI test
* hack
* Update server test
* remove skip-ci for lint tests
* Pass client go storagesvc
* Add clientGen interface across code
* Fix storagesvc test
* Fix cmd client
* add retry in server test
* Fix concurrenct access to pool deployment
* Remove old executor test
* get rid of ginkgo/gomega
* disable flaky test
* flaky test
* revert ci change
* handle err from ParseBool

---------

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>
Co-authored-by: Pranoy Kundu <pranoy1998k@gmail.com>

pkg/logger/logger.go

@@ -156,7 +156,7 @@ func symlinkReaper(zapLogger *zap.Logger) {
 	}
 }
 
-func Start(ctx context.Context, logger *zap.Logger) error {
+func Start(ctx context.Context, clientGen crd.ClientGeneratorInterface, logger *zap.Logger) error {
 	if _, err := os.Stat(fissionSymlinkPath); os.IsNotExist(err) {
 		logger.Info("symlink path not exist, create it",
 			zap.String("fissionSymlinkPath", fissionSymlinkPath))
@@ -167,7 +167,6 @@ func Start(ctx context.Context, logger *zap.Logger) error {
 	}
 	go symlinkReaper(logger)
 
-	clientGen := crd.NewClientGenerator()
 	kubernetesClient, err := clientGen.GetKubernetesClient()
 	if err != nil {
 		return err