Minor e2e cleanups. (#1425)

test/integration/cluster_dns_test.go

@@ -35,26 +35,30 @@ func testClusterDNS(t *testing.T) {
 	kubectlRunner := util.NewKubectlRunner(t)
 	podName := "busybox"
 	podPath, _ := filepath.Abs("testdata/busybox.yaml")
+	defer kubectlRunner.RunCommand([]string{"delete", "-f", podPath})
 
-	dnsTest := func() error {
-		podNamespace := kubectlRunner.CreateRandomNamespace()
-		defer kubectlRunner.DeleteNamespace(podNamespace)
-
-		if _, err := kubectlRunner.RunCommand([]string{"create", "-f", podPath, "--namespace=" + podNamespace}); err != nil {
+	setupTest := func() error {
+		if _, err := kubectlRunner.RunCommand([]string{"create", "-f", podPath}); err != nil {
 			return err
 		}
-		defer kubectlRunner.RunCommand([]string{"delete", "-f", podPath, "--namespace=" + podNamespace})
+		return nil
+	}
 
+	if err := commonutil.RetryAfter(20, setupTest, 2*time.Second); err != nil {
+		t.Fatal("Error setting up DNS test.")
+	}
+
+	dnsTest := func() error {
 		p := &api.Pod{}
 		for p.Status.Phase != "Running" {
 			var err error
-			p, err = kubectlRunner.GetPod(podName, podNamespace)
+			p, err = kubectlRunner.GetPod(podName, "default")
 			if err != nil {
 				return &commonutil.RetriableError{Err: err}
 			}
 		}
 
-		dnsByteArr, err := kubectlRunner.RunCommand([]string{"exec", podName, "--namespace=" + podNamespace,
+		dnsByteArr, err := kubectlRunner.RunCommand([]string{"exec", podName,
 			"nslookup", "kubernetes.default"})
 		dnsOutput := string(dnsByteArr)
 		if err != nil {

test/integration/cluster_status_test.go

@@ -29,7 +29,6 @@ import (
 )
 
 func testClusterStatus(t *testing.T) {
-	t.Parallel()
 	kubectlRunner := util.NewKubectlRunner(t)
 	cs := api.ComponentStatusList{}
 

test/integration/functional_test.go

@@ -31,12 +31,15 @@ func TestFunctional(t *testing.T) {
 		T:          t}
 	minikubeRunner.EnsureRunning()
 
+	// This one is not parallel, and ensures the cluster comes up
+	// before we run any other tests.
+	t.Run("Status", testClusterStatus)
+
 	t.Run("DNS", testClusterDNS)
 	t.Run("EnvVars", testClusterEnv)
 	t.Run("Logs", testClusterLogs)
 	t.Run("SSH", testClusterSSH)
 	t.Run("Systemd", testVMSystemd)
-	t.Run("Status", testClusterStatus)
 	t.Run("Addons", testAddons)
 	t.Run("Dashboard", testDashboard)
 	t.Run("ServicesList", testServicesList)