Added tests to k8sclient.go (#357)

* Improved coverage of checkpoint.go to 96.4%

* Improved coverage of checkpoint.go to 96.4%

* Fixed unit tests in checkpoint_test.go and conf_test.go

* Removed unnecessary comments

* improved conf code coverage by an amount that is greater than 0!

* improved coverage, but line 144 of conf.go needs a look

* Added unit tests to multus and types, also fixed a bug in conf.go

* increased code coverage in multus.go and conf.go, also added bug fixes and formatting

* hopefully resolved merge conflicts

* addressed all comments in review

* changed 'thejohn' to '_not_type' for readability

* Added network status annotations section to quickstart and added more unit tests

* added more tests to k8sclient.go

* added another test to k8sclient.go

* Added new function to testing.go and cleaned up tests

testing/testing.go

@@ -76,6 +76,27 @@ func (f *FakeKubeClient) AddNetConfig(namespace, name, data string) {
 	f.nets[fmt.Sprintf("/apis/k8s.cni.cncf.io/v1/namespaces/%s/network-attachment-definitions/%s", namespace, name)] = cr
 }
 
+// AddNetConfigAnnotation adds net-attach-def into its client with an annotation
+func (f *FakeKubeClient) AddNetConfigAnnotation(namespace, name, data string) {
+	cr := fmt.Sprintf(`{
+	"apiVersion": "k8s.cni.cncf.io/v1",
+	"kind": "Network",
+	"metadata": {
+	  "namespace": "%s",
+	  "name": "%s",
+	  "annotations": {
+		"k8s.v1.cni.cncf.io/resourceName": "intel.com/sriov"
+	  }
+	},
+	"spec": {
+	  "config": "%s"
+	}
+  }`, namespace, name, strings.Replace(data, "\"", "\\\"", -1))
+	cr = strings.Replace(cr, "\n", "", -1)
+	cr = strings.Replace(cr, "\t", "", -1)
+	f.nets[fmt.Sprintf("/apis/k8s.cni.cncf.io/v1/namespaces/%s/network-attachment-definitions/%s", namespace, name)] = cr
+}
+
 // AddNetFile puts config file as net-attach-def
 func (f *FakeKubeClient) AddNetFile(namespace, name, filePath, fileData string) {
 	cr := fmt.Sprintf(`{