Cleanup e2e_node test style

Remove the use of  Except(err).NotTo(HaveOccured()), and switch to using
framework ramework.ExpectNoError(err)

test/e2e_node/container_manager_test.go

@@ -155,13 +155,13 @@ var _ = framework.KubeDescribe("Container Manager Misc [Serial]", func() {
 					if CurrentGinkgoTestDescription().Failed {
 						By("Dump all running containers")
 						runtime, _, err := getCRIClient()
-						Expect(err).NotTo(HaveOccurred())
+						framework.ExpectNoError(err)
 						containers, err := runtime.ListContainers(&runtimeapi.ContainerFilter{
 							State: &runtimeapi.ContainerStateValue{
 								State: runtimeapi.ContainerState_CONTAINER_RUNNING,
 							},
 						})
-						Expect(err).NotTo(HaveOccurred())
+						framework.ExpectNoError(err)
 						e2elog.Logf("Running containers:")
 						for _, c := range containers {
 							e2elog.Logf("%+v", c)