def test_to_rgI_value(self):
        img = to_rgI(self.I)
        grey_value = int(0.2125 * 50 + 0.7154 * 100 + 0.0721 * 150)
        assert ((img[:, :, 0] == 50).all())
        assert ((img[:, :, 1] == 100).all())
        assert ((img[:, :, 2] == grey_value).all())
dataset/ETHPy150Open belltailjp/selective_search_py/test_color_space.py/TestColorSpace.test_to_rgI_value/original