feat: add success log to disco sync

registrar/apps/core/management/commands/sync_with_discovery.py

@@ -37,6 +37,10 @@ def handle(self, *args, **options):
         self.sync_org_groups()
         self.sync_program_org_groups()
 
+        # load bearing log message. edx.org monitors for this log message
+        # to know when the sync has run successfully
+        logger.info('Sync with Discovery Service complete!')
+
     def sync_organizations(self):
         """
         Make API call to discovery service and get latest organizations list

registrar/apps/core/management/commands/test/test_sync_with_discovery.py

@@ -176,6 +176,18 @@ def test_sync_no_change(self):
         ]
         self.assert_organizations(orgs_to_sync, 9)
 
+    def test_success_output(self):
+        orgs_to_sync = [
+            self.new_discovery_organization,
+            self.updating_discovery_organization,
+            self.discovery_other_org,
+        ]
+        self.mock_get_organizations_patcher.return_value = orgs_to_sync
+        self.mock_get_programs_by_types_patcher.return_value = []
+        with patch('registrar.apps.core.management.commands.sync_with_discovery.logger') as mock_logger:
+            call_command(self.command)
+            mock_logger.info.assert_called_with('Sync with Discovery Service complete!')
+
 
 @ddt.ddt
 class TestSyncProgramsWithDiscoveryCommand(TestSyncWithDiscoveryCommandBase):