GAIAPCR-1368 Include PR reference number

Author: Jorge Fernandez Hernandez

CHANGES.rst

@@ -30,6 +30,10 @@ heasarc
 - Add support for uploading tables when using TAP directly through ``query_tap``. [#3403]
 - Add automatic guessing for the data host in ``download_data``. [#3403]
 
+gaia
+^^^^
+
+- New datalink DR4 retrieval type RESIDUAL_IMAGE. [#3489]
 
 esa.hubble
 ^^^^^^^^^^

astroquery/gaia/tests/test_gaiatap.py

@@ -467,6 +467,10 @@ def cross_match_basic_2_kwargs():
             "table_b_column_dec": "dec"}
 
 
+def test_number_retrieval_types():
+    assert len(conf.VALID_DATALINK_RETRIEVAL_TYPES) == 26
+
+
 def test_show_message():
     print(JOB_DATA_FILE_NAME)
     connHandler = DummyConnHandler()
@@ -1458,7 +1462,7 @@ def update_user_table(self, table_name, list_of_changes, verbose):
     assert job.get_phase() == "EXECUTING" if background else "COMPLETED"
     assert job.failed is False
 
-    radius_quantity = Quantity(value=1.0/3600.0, unit=u.deg)
+    radius_quantity = Quantity(value=1.0 / 3600.0, unit=u.deg)
     job = mock_querier_async.cross_match_basic(table_a_full_qualified_name="user_hola.tableA", table_a_column_ra="ra",
                                                table_a_column_dec="dec", radius=radius_quantity, background=background)
     assert job.async_ is True