Label slow tests [Slow]

test/e2e/garbage_collector.go

@@ -27,7 +27,9 @@ import (
 )
 
 // This test requires that --terminated-pod-gc-threshold=100 be set on the controller manager
-var _ = Describe("Garbage collector", func() {
+//
+// Slow by design (7 min)
+var _ = Describe("Garbage collector [Slow]", func() {
 	f := NewFramework("garbage-collector")
 	It("should handle the creation of 1000 pods", func() {
 		SkipUnlessProviderIs("gce")

test/e2e/ingress.go

@@ -376,7 +376,8 @@ func (cont *IngressController) Cleanup(del bool) error {
 	return fmt.Errorf(errMsg)
 }
 
-var _ = Describe("GCE L7 LoadBalancer Controller [Serial]", func() {
+// Slow by design (10 min)
+var _ = Describe("GCE L7 LoadBalancer Controller [Serial] [Slow]", func() {
 	// These variables are initialized after framework's beforeEach.
 	var ns string
 	var addonDir string

test/e2e/kubelet_perf.go

@@ -138,7 +138,8 @@ func verifyCPULimits(expected containersCPUSummary, actual nodesCPUSummary) {
 	}
 }
 
-var _ = Describe("Kubelet [Serial]", func() {
+// Slow by design (1 hour)
+var _ = Describe("Kubelet [Serial] [Slow]", func() {
 	var nodeNames sets.String
 	framework := NewFramework("kubelet-perf")
 	var rm *resourceMonitor

test/e2e/kubeproxy.go

@@ -71,7 +71,8 @@ var _ = Describe("KubeProxy", func() {
 		f: f,
 	}
 
-	It("should test kube-proxy", func() {
+	// Slow issue #14204 (10 min)
+	It("should test kube-proxy [Slow]", func() {
 		By("cleaning up any pre-existing namespaces used by this test")
 		config.cleanup()
 

test/e2e/pods.go

@@ -635,7 +635,8 @@ var _ = Describe("Pods", func() {
 		}, 1, defaultObservationTimeout)
 	})
 
-	It("should have monotonically increasing restart count [Conformance]", func() {
+	// Slow by design (5 min)
+	It("should have monotonically increasing restart count [Conformance] [Slow]", func() {
 		runLivenessTest(framework.Client, framework.Namespace.Name, &api.Pod{
 			ObjectMeta: api.ObjectMeta{
 				Name:   "liveness-http",
@@ -936,7 +937,8 @@ var _ = Describe("Pods", func() {
 		}
 	})
 
-	It("should cap back-off at MaxContainerBackOff", func() {
+	// Slow issue #19027 (20 mins)
+	It("should cap back-off at MaxContainerBackOff [Slow]", func() {
 		podClient := framework.Client.Pods(framework.Namespace.Name)
 		podName := "back-off-cap"
 		containerName := "back-off-cap"

test/e2e/resize_nodes.go

@@ -402,7 +402,8 @@ var _ = Describe("Nodes [Disruptive]", func() {
 		systemPodsNo = len(systemPods.Items)
 	})
 
-	Describe("Resize", func() {
+	// Slow issue #13323 (8 min)
+	Describe("Resize [Slow]", func() {
 		var skipped bool
 
 		BeforeEach(func() {

test/e2e/scheduler_predicates.go

@@ -200,7 +200,9 @@ var _ = Describe("SchedulerPredicates [Serial]", func() {
 	// This test verifies that max-pods flag works as advertised. It assumes that cluster add-on pods stay stable
 	// and cannot be run in parallel with any other test that touches Nodes or Pods. It is so because to check
 	// if max-pods is working we need to fully saturate the cluster and keep it in this state for few seconds.
-	It("validates MaxPods limit number of pods that are allowed to run", func() {
+	//
+	// Slow PR #13315 (8 min)
+	It("validates MaxPods limit number of pods that are allowed to run [Slow]", func() {
 		totalPodCapacity = 0
 
 		for _, node := range nodeList.Items {