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/timer/main.go

@@ -26,8 +26,7 @@ import (
 	"github.com/fission/fission/pkg/publisher"
 )
 
-func Start(ctx context.Context, logger *zap.Logger, routerUrl string) error {
-	clientGen := crd.NewClientGenerator()
+func Start(ctx context.Context, clientGen crd.ClientGeneratorInterface, logger *zap.Logger, routerUrl string) error {
 	fissionClient, err := clientGen.GetFissionClient()
 	if err != nil {
 		return errors.Wrap(err, "failed to get fission client")