message: disable MaskRCNN test for CUDA_FP16
diff: @@ -1006,6 +1006,9 @@ TEST_P(Test_TensorFlow_nets, Mask_RCNN)
  if (target == DNN_TARGET_MYRIAD && getInferenceEngineVPUType() == CV_DNN_INFERENCE_ENGINE_VPU_TYPE_MYRIAD_X)
  applyTestTag(CV_TEST_TAG_DNN_SKIP_IE_MYRIAD_X, CV_TEST_TAG_DNN_SKIP_IE_NGRAPH);
  + if (target == DNN_TARGET_CUDA_FP16)
  + applyTestTag(CV_TEST_TAG_DNN_SKIP_CUDA_FP16);
  +
  applyTestTag(CV_TEST_TAG_MEMORY_1GB, CV_TEST_TAG_DEBUG_VERYLONG);
  Mat img = imread(findDataFile("dnn/street.png"));
  std::string proto = findDataFile("dnn/mask_rcnn_inception_v2_coco_2018_01_28.pbtxt");
  