tests: fix kube-apiserver teardown timeout

see kubernetes-sigs/controller-runtime#1571
see kubernetes-sigs/kubebuilder#2379

controllers/suite_test.go

@@ -35,6 +35,8 @@ import (
 var cfg *rest.Config
 var k8sClient client.Client
 var testEnv *envtest.Environment
+var ctx context.Context
+var cancel context.CancelFunc
 var registryContainerId string
 
 func TestAPIs(t *testing.T) {
@@ -102,6 +104,8 @@ func removeRegistry() {
 var _ = BeforeSuite(func() {
 	logf.SetLogger(zap.New(zap.WriteTo(os.Stdout), zap.UseDevMode(true)))
 
+	ctx, cancel = context.WithCancel(context.TODO())
+
 	By("bootstrapping test environment")
 	testEnv = &envtest.Environment{
 		CRDDirectoryPaths:     []string{filepath.Join("..", "config", "crd", "bases")},
@@ -149,12 +153,13 @@ var _ = BeforeSuite(func() {
 
 	go func() {
 		defer GinkgoRecover()
-		err = k8sManager.Start(ctrl.SetupSignalHandler())
+		err = k8sManager.Start(ctx)
 		Expect(err).ToNot(HaveOccurred(), "failed to run manager")
 	}()
 })
 
 var _ = AfterSuite(func() {
+	cancel()
 	By("tearing down the test environment")
 	err := testEnv.Stop()
 	Expect(err).NotTo(HaveOccurred())