Create queue fixture

tests/test_queue.py

@@ -1,17 +1,5 @@
-import pytest
-from atst.queue import queue
-
-# ensure queue is always empty for unit testing
-@pytest.fixture(scope="function", autouse=True)
-def reset_queue():
-    queue.get_queue().empty()
-    yield
-    queue.get_queue().empty()
-
-
-def test_send_mail():
-    initial = len(queue.get_queue())
+def test_send_mail(queue):
     queue.send_mail(
         ["lordvader@geocities.net"], "death start", "how is it coming along?"
     )
-    assert len(queue.get_queue()) == initial + 1
+    assert len(queue.get_queue()) == 1