Use a comet that does not fail; Use mocked data for uncertainty tests.

2024 AA does not return uncertainty info anymore.  Rather than
continuously chase objects with uncertianties, just test mocked data.

Author: mkelley

astroquery/mpc/tests/test_mpc.py

@@ -383,9 +383,16 @@ def test_get_ephemeris_perturbed(perturbed, val):
 
 @pytest.mark.parametrize('unc_links', (True, False))
 def test_get_ephemeris_unc_links(unc_links, patch_post):
-    tab = mpc.core.MPC.get_ephemeris('1994 XG', unc_links=unc_links)
-    assert ('Unc. map' in tab.colnames) == unc_links
-    assert ('Unc. offsets' in tab.colnames) == unc_links
+    result = mpc.core.MPC.get_ephemeris('1994 XG', unc_links=unc_links)
+    assert np.all(result['Uncertainty 3sig'].quantity > 0 * u.arcsec)
+    assert ('Unc. map' in result.colnames) == unc_links
+    assert ('Unc. offsets' in result.colnames) == unc_links
+
+
+def test_get_ephemeris_Moon_phase_and_Uncertainty(patch_post):
+    result = mpc.core.MPC.get_ephemeris('1994 XG', location='G37')
+    assert np.all(result['Moon phase'][0] >= 0)
+    assert np.all(result['Uncertainty 3sig'].quantity > 0 * u.arcsec)
 
 
 def test_get_observatory_codes(patch_get):

astroquery/mpc/tests/test_mpc_remote.py

@@ -72,7 +72,7 @@ def test_get_observatory_codes(self):
         greenwich = ['000', 0.0, 0.62411, 0.77873, 'Greenwich']
         assert all([r == g for r, g in zip(response[0], greenwich)])
 
-    @pytest.mark.parametrize('target', ['(3202)', 'C/2003 A2'])
+    @pytest.mark.parametrize('target', ['(3202)', 'C/2024 N4'])
     def test_get_ephemeris_by_target(self, target):
         # test that query succeeded
         response = mpc.MPC.get_ephemeris(target)
@@ -82,17 +82,6 @@ def test_get_ephemeris_Moon_phase(self):
         result = mpc.core.MPC.get_ephemeris('2P', location='G37')
         assert result['Moon phase'][0] >= 0
 
-    def test_get_ephemeris_Uncertainty(self):
-        # this test requires an object with uncertainties != N/A
-        result = mpc.core.MPC.get_ephemeris('2024 AA', start='2024-06-15')
-        assert result['Uncertainty 3sig'].quantity[0] > 0 * u.arcsec
-
-    def test_get_ephemeris_Moon_phase_and_Uncertainty(self):
-        # this test requires an object with uncertainties != N/A
-        result = mpc.core.MPC.get_ephemeris('2024 AA', location='G37', start='2024-06-15')
-        assert result['Moon phase'][0] >= 0
-        assert result['Uncertainty 3sig'].quantity[0] > 0 * u.arcsec
-
     def test_get_ephemeris_target_fail(self):
         # test that query failed
         with pytest.raises(InvalidQueryError):