def METHOD_NAME(self):
    """
    Test from dark image to bright image of 1 pixel
    """
    bl = self.light
    img_dark = numpy.ones((1, 1), dtype=numpy.uint16)  # type: ndarray
    da_dark = model.DataArray(img_dark)
    ccd = mock.FakeCCD(da_dark)
    f = turnOnLight(bl, ccd)
    time.sleep(1)
    self.assertFalse(f.done())
    # simulate light turning on
    img_bright = numpy.array([10], dtype=numpy.uint16)
    br_bright = model.DataArray(img_bright)
    ccd.fake_img = br_bright
    time.sleep(1)
    self.assertTrue(f.done())
    f.result()