Use e2epod.WaitForPodNameRunningInNamespace directly

WaitForPod*() are just wrapper functions for e2epod package, and they
made an invalid dependency to sub e2e framework from the core framework.
So this replaces WaitForPodRunning() with the e2epod function.

test/e2e/scheduling/priorities.go

@@ -232,7 +232,7 @@ var _ = SIGDescribe("SchedulerPriorities [Serial]", func() {
 			},
 		})
 		ginkgo.By("Wait the pod becomes running")
-		framework.ExpectNoError(f.WaitForPodRunning(pod.Name))
+		framework.ExpectNoError(e2epod.WaitForPodNameRunningInNamespace(f.ClientSet, pod.Name, f.Namespace.Name))
 		labelPod, err := cs.CoreV1().Pods(ns).Get(context.TODO(), labelPodName, metav1.GetOptions{})
 		framework.ExpectNoError(err)
 		ginkgo.By("Verify the pod was scheduled to the expected node.")
@@ -331,7 +331,7 @@ var _ = SIGDescribe("SchedulerPriorities [Serial]", func() {
 			Name:        tolerationPodName,
 			Tolerations: tolerations,
 		})
-		framework.ExpectNoError(f.WaitForPodRunning(pod.Name))
+		framework.ExpectNoError(e2epod.WaitForPodNameRunningInNamespace(f.ClientSet, pod.Name, f.Namespace.Name))
 
 		ginkgo.By("Pod should prefer scheduled to the node that pod can tolerate.")
 		tolePod, err := cs.CoreV1().Pods(ns).Get(context.TODO(), tolerationPodName, metav1.GetOptions{})