Add e2e tests

vendor/k8s.io/kubernetes/pkg/kubelet/container/BUILD

@@ -21,6 +21,7 @@ go_library(
         ],
         "//conditions:default": [],
     }),
+    importpath = "k8s.io/kubernetes/pkg/kubelet/container",
     visibility = ["//visibility:public"],
     deps = [
         "//pkg/api:go_default_library",
@@ -57,6 +58,7 @@ go_test(
         "ref_test.go",
         "sync_result_test.go",
     ],
+    importpath = "k8s.io/kubernetes/pkg/kubelet/container",
     library = ":go_default_library",
     deps = [
         "//pkg/api:go_default_library",
@@ -71,6 +73,7 @@ go_test(
 go_test(
     name = "go_default_xtest",
     srcs = ["runtime_cache_test.go"],
+    importpath = "k8s.io/kubernetes/pkg/kubelet/container_test",
     deps = [
         ":go_default_library",
         "//pkg/kubelet/container/testing:go_default_library",

vendor/k8s.io/kubernetes/pkg/kubelet/container/runtime.go

@@ -127,9 +127,8 @@ type Runtime interface {
 // DirectStreamingRuntime is the interface implemented by runtimes for which the streaming calls
 // (exec/attach/port-forward) should be served directly by the Kubelet.
 type DirectStreamingRuntime interface {
-	// Runs the command in the container of the specified pod using nsenter.
-	// Attaches the processes stdin, stdout, and stderr. Optionally uses a
-	// tty.
+	// Runs the command in the container of the specified pod. Attaches
+	// the processes stdin, stdout, and stderr. Optionally uses a tty.
 	ExecInContainer(containerID ContainerID, cmd []string, stdin io.Reader, stdout, stderr io.WriteCloser, tty bool, resize <-chan remotecommand.TerminalSize, timeout time.Duration) error
 	// Forward the specified port from the specified pod to the stream.
 	PortForward(pod *Pod, port int32, stream io.ReadWriteCloser) error