fix failing test for user stats and add username attribute

Author: Hagellach37

mapswipe_workers/mapswipe_workers/generate_stats/user_stats.py

@@ -37,7 +37,7 @@ def get_agg_results_by_user_id(
     ] - (raw_contributions_df["agreeing_contributions"] + 1)
 
     agg_results_by_user_id_df = raw_contributions_df.groupby(
-        ["project_id", "user_id"]
+        ["project_id", "user_id", "username"]
     ).agg(
         groups_completed=pd.NamedAgg(column="group_id", aggfunc=pd.Series.nunique),
         total_contributions=pd.NamedAgg(column="user_id", aggfunc="count"),

mapswipe_workers/tests/integration/test_get_results_real_project.py

@@ -24,7 +24,6 @@ def setUp(self):
             "mapping_sessions",
             "mapping_sessions_results",
         ]:
-            print(data_type)
             set_up.set_postgres_test_data(project_type, data_type, fixture_name)
 
         self.results_filename = os.path.join(

mapswipe_workers/tests/unittests/test_user_stats.py

@@ -33,6 +33,10 @@ def test_get_agg_results_by_user_id(self):
         )
         agg_results_by_user_id_df.sort_index(inplace=True)
 
+        print(agg_results_by_user_id_df)
+
+        print(self.user_stats_df)
+
         assert_frame_equal(
             agg_results_by_user_id_df, self.user_stats_df, check_dtype=False
         )