Previously, we were running into this problem:
```
SYNAPSE_TEST_LOG_LEVEL=INFO poetry run trial tests.rest.client.test_versions.VersionsTestCase.test_authenticated
tests.rest.client.test_versions
VersionsTestCase
test_authenticated ... [ERROR]
===============================================================================
[ERROR]
Traceback (most recent call last):
File "/home/eric/Documents/github/element/synapse/tests/rest/client/test_versions.py", line 85, in test_authenticated
channel = self.make_request(
File "/home/eric/Documents/github/element/synapse/tests/unittest.py", line 619, in make_request
return make_request(
File "/home/eric/Documents/github/element/synapse/tests/server.py", line 486, in make_request
channel.await_result()
File "/home/eric/Documents/github/element/synapse/tests/server.py", line 310, in await_result
raise TimedOutException("Timed out waiting for request to finish.")
tests.server.TimedOutException: Timed out waiting for request to finish.
tests.rest.client.test_versions.VersionsTestCase.test_authenticated
-------------------------------------------------------------------------------
Ran 1 tests in 0.182s
FAILED (errors=1)
```