ProbabilisticHoughLinesTest 204 modules/imgproc/test/test_houghLines.cpp TEST_P(ProbabilisticHoughLinesTest, regression) ProbabilisticHoughLinesTest 215 modules/imgproc/test/test_houghLines.cpp INSTANTIATE_TEST_CASE_P( ImgProc, ProbabilisticHoughLinesTest, testing::Combine(testing::Values( "shared/pic5.png", "shared/pic1.png" ),