Manual backport of PR 11128 (TST: Fix hypothesis fuzzing logic on CI) - #11409

_____________________________ test_against_pyephem _____________________________

    def test_against_pyephem():
        """Check that Astropy gives consistent results with one PyEphem example.
    
        PyEphem: https://rhodesmill.org/pyephem/
    
        See example input and output here:
        https://gist.github.com/zonca/1672906
        https://github.com/phn/pytpm/issues/2#issuecomment-3698679
        """
        obstime = Time('2011-09-18 08:50:00')
        location = EarthLocation(lon=Angle('-109d24m53.1s'),
                                 lat=Angle('33d41m46.0s'),
                                 height=30000. * u.m)
        # We are using the default pressure and temperature in PyEphem
        # relative_humidity = ?
        # obswl = ?
        altaz_frame = AltAz(obstime=obstime, location=location,
                            temperature=15 * u.deg_C, pressure=1.010 * u.bar)
    
        altaz = SkyCoord('6.8927d -60.7665d', frame=altaz_frame)
        radec_actual = altaz.transform_to('icrs')
    
        radec_expected = SkyCoord('196.497518d -4.569323d', frame='icrs')  # EPHEM
        # radec_expected = SkyCoord('196.496220d -4.569390d', frame='icrs')  # HORIZON
        distance = radec_actual.separation(radec_expected).to('arcsec')
        # TODO: why is this difference so large?
        # It currently is: 31.45187984720655 arcsec
        assert distance < 1e3 * u.arcsec
    
        # Add assert on current Astropy result so that we notice if something changes
        radec_expected = SkyCoord('196.495372d -4.560694d', frame='icrs')
        distance = radec_actual.separation(radec_expected).to('arcsec')
        # Current value: 0.0031402822944751997 arcsec
>       assert distance < 1 * u.arcsec
E       assert <Angle 521.28428052 arcsec> < (1 * Unit("arcsec"))
E        +  where Unit("arcsec") = u.arcsec

astropy_tests/coordinates/tests/accuracy/test_altaz_icrs.py:127: AssertionError