set default task queue name based on ATAT environment

tests/conftest.py

@@ -23,7 +23,6 @@ def app(request):
 
     config = make_config()
     config.update({"STORAGE_CONTAINER": upload_dir.name})
-    config.update({"RQ_QUEUES": ["test"]})
 
     _app = make_app(config)
 

tests/test_queue.py

@@ -8,6 +8,7 @@ def reset_queue():
     yield
     queue.get_queue().empty()
 
+
 def test_send_mail():
     assert len(queue.get_queue()) == 0
     send_mail.queue(