Move expensive test setup (apiserver and running controller) to be ru…

…n once in StatefulSetStartOrdinal parameterized tests

test/integration/statefulset/statefulset_test.go

@@ -486,46 +486,53 @@ func TestStatefulSetStartOrdinal(t *testing.T) {
 	tests := []struct {
 		ordinals         *appsv1.StatefulSetOrdinals
 		name             string
+		namespace        string
 		replicas         int
 		expectedPodNames []string
 	}{
 		{
 			name:             "default start ordinal, no ordinals set",
+			namespace:        "no-ordinals",
 			replicas:         3,
 			expectedPodNames: []string{"sts-0", "sts-1", "sts-2"},
 		},
 		{
 			name:             "default start ordinal",
+			namespace:        "no-start-ordinals",
 			ordinals:         &appsv1.StatefulSetOrdinals{},
 			replicas:         3,
 			expectedPodNames: []string{"sts-0", "sts-1", "sts-2"},
 		},
 		{
-			name: "start ordinal 4",
+			name:      "start ordinal 4",
+			namespace: "start-ordinal-4",
 			ordinals: &appsv1.StatefulSetOrdinals{
 				Start: 4,
 			},
 			replicas:         4,
 			expectedPodNames: []string{"sts-4", "sts-5", "sts-6", "sts-7"},
 		},
 		{
-			name: "start ordinal 5",
+			name:      "start ordinal 5",
+			namespace: "start-ordinal-5",
 			ordinals: &appsv1.StatefulSetOrdinals{
 				Start: 2,
 			},
 			replicas:         7,
 			expectedPodNames: []string{"sts-2", "sts-3", "sts-4", "sts-5", "sts-6", "sts-7", "sts-8"},
 		},
 	}
+
+	defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.StatefulSetStartOrdinal, true)()
+	closeFn, rm, informers, c := scSetup(t)
+	defer closeFn()
+	cancel := runControllerAndInformers(rm, informers)
+	defer cancel()
+
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.StatefulSetStartOrdinal, true)()
-			closeFn, rm, informers, c := scSetup(t)
-			defer closeFn()
-			ns := framework.CreateNamespaceOrDie(c, "test-start-ordinal", t)
+			ns := framework.CreateNamespaceOrDie(c, test.namespace, t)
 			defer framework.DeleteNamespaceOrDie(c, ns, t)
-			cancel := runControllerAndInformers(rm, informers)
-			defer cancel()
 
 			// Label map is the map of pod labels used in newSTS()
 			labelMap := labelMap()