devel: Add test for rematch_developers

devel/tests/test_rematch_developers.py

+from mock import patch
+
+
+from django.core.management import call_command
+from django.test import TransactionTestCase
+
+
+class RepoReadTest(TransactionTestCase):
+    fixtures = ['main/fixtures/arches.json', 'main/fixtures/repos.json']
+
+    def test_rematch_developers(self):
+        with patch('devel.management.commands.rematch_developers.logger') as logger:
+            call_command('rematch_developers')
+        logger.info.assert_called()