'Test 0% and 100% in different colorspaces.'

@pytest.mark.parametrize('colorspace', [QColor.Rgb, QColor.Hsv, QColor.Hsl])
def test_0_100(self, colors, colorspace):

    white = utils.interpolate_color(colors.white, colors.black, 0, colorspace)
    black = utils.interpolate_color(colors.white, colors.black, 100, colorspace)
    assert (Color(white) == colors.white)
    assert (Color(black) == colors.black)
