def METHOD_NAME(self):
    deltaPix = 0.05
    Mpix2a = np.array([[1, 0], [0, 1]]) * deltaPix
    ra_0 = 1.0
    dec_0 = 1.0
    coords = Coordinates(
        transform_pix2angle=Mpix2a, ra_at_xy_0=ra_0, dec_at_xy_0=dec_0
    )
    x, y = coords.map_pix2coord(1, 0)
    assert x == deltaPix + ra_0
    assert y == dec_0