Merge pull request kubernetes#92975 from gaurav1086/TestCreateInvokeAdmissionControl_remove_unnecessary_goroutine

TestCreateInvokeAdmissionControl: remove unnecessary goroutine in sequential processing

Author: k8s-ci-robot

staging/src/k8s.io/apiserver/pkg/endpoints/apiserver_test.go

@@ -4178,14 +4178,8 @@ func TestCreateInvokeAdmissionControl(t *testing.T) {
 			t.Errorf("unexpected error: %v", err)
 		}
 
-		wg := sync.WaitGroup{}
-		wg.Add(1)
 		var response *http.Response
-		go func() {
-			response, err = client.Do(request)
-			wg.Done()
-		}()
-		wg.Wait()
+		response, err = client.Do(request)
 		if err != nil {
 			t.Errorf("unexpected error: %v", err)
 		}