message: dnn(test): don't require downloaded data
diff: @@ -253,7 +253,7 @@ TEST_P(Test_Model, Keypoints_pose)
  #endif
  Mat inp = imread(_tf("pose.png"));
  - std::string weights = _tf("onnx/models/lightweight_pose_estimation.onnx");
  + std::string weights = _tf("onnx/models/lightweight_pose_estimation.onnx", false);
  Mat exp = blobFromNPY(_tf("keypoints_exp.npy"));
  @@ -274,7 +274,7 @@ TEST_P(Test_Model, Keypoints_face)
  #endif
  Mat inp = imread(_tf("gray_face.png"), 0);
  - std::string weights = _tf("onnx/models/facial_keypoints.onnx");
  + std::string weights = _tf("onnx/models/facial_keypoints.onnx", false);
  Mat exp = blobFromNPY(_tf("facial_keypoints_exp.npy"));
  Size size{224, 224};
  