add easy to use dynamic client

pkg/controller/garbagecollector/garbagecollector_test.go

@@ -686,9 +686,13 @@ func TestOrphanDependentsFailure(t *testing.T) {
 		},
 	}
 	err := gc.orphanDependents(objectReference{}, dependents)
-	expected := `the server reported a conflict (patch pods pod)`
+	expected := `the server reported a conflict`
 	if err == nil || !strings.Contains(err.Error(), expected) {
-		t.Errorf("expected error contains text %s, got %v", expected, err)
+		if err != nil {
+			t.Errorf("expected error contains text %q, got %q", expected, err.Error())
+		} else {
+			t.Errorf("expected error contains text %q, got nil", expected)
+		}
 	}
 }