Extend CI workflow with gofmt

Signed-off-by: Ahmet Alp Balkan <ahmetb@google.com>

cmd/kubectx/state_test.go

@@ -88,4 +88,3 @@ func Test_kubectxFilePath_error(t *testing.T) {
 		t.Fatal(err)
 	}
 }
-

cmd/kubens/list.go

@@ -51,7 +51,7 @@ func (op ListOp) Run(stdout, stderr io.Writer) error {
 
 func queryNamespaces(kc *kubeconfig.Kubeconfig) ([]string, error) {
 	if os.Getenv("_MOCK_NAMESPACES") != "" {
-		return []string{"ns1","ns2"}, nil
+		return []string{"ns1", "ns2"}, nil
 	}
 
 	b, err := kc.Bytes()

cmd/kubens/switch.go

@@ -74,7 +74,6 @@ func switchNamespace(kc *kubeconfig.Kubeconfig, ns string) (string, error) {
 	return ns, nil
 }
 
-
 func namespaceExists(kc *kubeconfig.Kubeconfig, ns string) (bool, error) {
 	nses, err := queryNamespaces(kc)
 	if err != nil {