Do not use deprecated assertEquals

tests/test_worker.py

@@ -112,9 +112,9 @@ class TestWorker(RQTestCase):
         self.assertIsNotNone(job.enqueued_at)
         self.assertIsNone(job.started_at)
         self.assertIsNone(job.ended_at)
-        self.assertEquals(w.work(burst=True), True,
+        self.assertEqual(w.work(burst=True), True,
                           'Expected at least some work done.')
-        self.assertEquals(job.result, 'Hi there, Stranger!')
+        self.assertEqual(job.result, 'Hi there, Stranger!')
         after = utcnow()
         job.refresh()
         self.assertTrue(before <= job.enqueued_at <= after, 'Not %s <= %s <= %s' % (before, job.enqueued_at, after))
@@ -173,7 +173,7 @@ class TestWorker(RQTestCase):
         # Postconditions
         self.assertEqual(q.count, 0)
         self.assertEqual(failed_q.count, 1)
-        self.assertEquals(w.get_current_job_id(), None)
+        self.assertEqual(w.get_current_job_id(), None)
 
         # Check the job
         job = Job.fetch(job.id)