Importable End-To-End Test Suite (#758)

* Rename VK to chewong for development purpose

* Rename basic_test.go to basic.go

* Add e2e.go and suite.go

* Disable tests in node.go

* End to end tests are now importable as a testing suite

* Remove 'test' from test files

* Add documentations

* Rename chewong back to virtual-kubelet

* Change 'Testing Suite' to 'Test Suite'

* Add the ability to skip certain testss

* Add unit tests for suite.go

* Add README.md for importable e2e test suite

* VK implementation has to be based on VK v1.0.0

* Stricter checks on validating test functions

* Move certain files back to internal folder

* Add WatchTimeout as a config field

* Add slight modifications

internal/test/e2e/framework/framework.go

@@ -1,6 +1,8 @@
 package framework
 
 import (
+	"time"
+
 	"k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/rest"
 	"k8s.io/client-go/tools/clientcmd"
@@ -8,17 +10,19 @@ import (
 
 // Framework encapsulates the configuration for the current run, and provides helper methods to be used during testing.
 type Framework struct {
-	KubeClient kubernetes.Interface
-	Namespace  string
-	NodeName   string
+	KubeClient   kubernetes.Interface
+	Namespace    string
+	NodeName     string
+	WatchTimeout time.Duration
 }
 
 // NewTestingFramework returns a new instance of the testing framework.
-func NewTestingFramework(kubeconfig, namespace, nodeName string) *Framework {
+func NewTestingFramework(kubeconfig, namespace, nodeName string, watchTimeout time.Duration) *Framework {
 	return &Framework{
-		KubeClient: createKubeClient(kubeconfig),
-		Namespace:  namespace,
-		NodeName:   nodeName,
+		KubeClient:   createKubeClient(kubeconfig),
+		Namespace:    namespace,
+		NodeName:     nodeName,
+		WatchTimeout: watchTimeout,
 	}
 }