Update vendor files to point to kubernetes-1.12.0-beta.1

vendor/k8s.io/apimachinery/pkg/watch/watch_test.go

@@ -17,6 +17,7 @@ limitations under the License.
 package watch_test
 
 import (
+	"reflect"
 	"testing"
 
 	"k8s.io/apimachinery/pkg/runtime"
@@ -135,3 +136,40 @@ func TestEmpty(t *testing.T) {
 		t.Errorf("unexpected result channel result")
 	}
 }
+
+func TestProxyWatcher(t *testing.T) {
+	events := []Event{
+		{Added, testType("foo")},
+		{Modified, testType("qux")},
+		{Modified, testType("bar")},
+		{Deleted, testType("bar")},
+		{Error, testType("error: blah")},
+	}
+
+	ch := make(chan Event, len(events))
+	w := NewProxyWatcher(ch)
+
+	for _, e := range events {
+		ch <- e
+	}
+
+	for _, e := range events {
+		g := <-w.ResultChan()
+		if !reflect.DeepEqual(e, g) {
+			t.Errorf("Expected %#v, got %#v", e, g)
+			continue
+		}
+	}
+
+	w.Stop()
+
+	select {
+	// Closed channel always reads immediately
+	case <-w.StopChan():
+	default:
+		t.Error("Channel isn't closed")
+	}
+
+	// Test double close
+	w.Stop()
+}