tests: remove broken temp_queue test

temp_queue downloads were reverted in 32.0.2, and while the test was
partially kept, it didn't do anything, which was made obvious by
python/cpython#100690, when the call to
`called_once_with` started raising.

Author: jcristau

tests/test_context.py

@@ -78,15 +78,6 @@ async def test_set_reset_task(rw_context, claim_task, reclaim_task):
     assert rw_context.temp_queue is None
 
 
-def test_temp_queue(rw_context, mocker):
-    mocker.patch("taskcluster.aio.Queue")
-    rw_context.session = {"c": "d"}
-    rw_context.temp_credentials = {"a": "b"}
-    assert taskcluster.aio.Queue.called_once_with(
-        options={"rootUrl": rw_context.config["taskcluster_root_url"], "credentials": rw_context.temp_credentials}, session=rw_context.session
-    )
-
-
 @pytest.mark.asyncio
 async def test_projects(rw_context, mocker):
     fake_projects = {"mozilla-central": "blah", "count": 0}