remove unnecessary factory delegation for RESTClientGetter method

pkg/kubectl/cmd/create/create_clusterrole_test.go

@@ -36,10 +36,9 @@ import (
 func TestCreateClusterRole(t *testing.T) {
 	clusterRoleName := "my-cluster-role"
 
-	tf := cmdtesting.NewTestFactory()
+	tf := cmdtesting.NewTestFactory().WithNamespace("test")
 	defer tf.Cleanup()
 
-	tf.Namespace = "test"
 	tf.Client = &fake.RESTClient{}
 	tf.ClientConfigVal = defaultClientConfig()
 
@@ -178,11 +177,9 @@ func TestCreateClusterRole(t *testing.T) {
 }
 
 func TestClusterRoleValidate(t *testing.T) {
-	tf := cmdtesting.NewTestFactory()
+	tf := cmdtesting.NewTestFactory().WithNamespace("test")
 	defer tf.Cleanup()
 
-	tf.Namespace = "test"
-
 	tests := map[string]struct {
 		clusterRoleOptions *CreateClusterRoleOptions
 		expectErr          bool