Remove some boilerplate in tests (#4156)

tests/test_mau.py

@@ -21,30 +21,20 @@ from mock import Mock, NonCallableMock
 
 from synapse.api.constants import LoginType
 from synapse.api.errors import Codes, HttpResponseException, SynapseError
-from synapse.http.server import JsonResource
 from synapse.rest.client.v2_alpha import register, sync
-from synapse.util import Clock
 
 from tests import unittest
-from tests.server import (
-    ThreadedMemoryReactorClock,
-    make_request,
-    render,
-    setup_test_homeserver,
-)
 
 
-class TestMauLimit(unittest.TestCase):
-    def setUp(self):
-        self.reactor = ThreadedMemoryReactorClock()
-        self.clock = Clock(self.reactor)
+class TestMauLimit(unittest.HomeserverTestCase):
 
-        self.hs = setup_test_homeserver(
-            self.addCleanup,
+    servlets = [register.register_servlets, sync.register_servlets]
+
+    def make_homeserver(self, reactor, clock):
+
+        self.hs = self.setup_test_homeserver(
             "red",
             http_client=None,
-            clock=self.clock,
-            reactor=self.reactor,
             federation_client=Mock(),
             ratelimiter=NonCallableMock(spec_set=["send_message"]),
         )
@@ -63,10 +53,7 @@ class TestMauLimit(unittest.TestCase):
         self.hs.config.server_notices_mxid_display_name = None
         self.hs.config.server_notices_mxid_avatar_url = None
         self.hs.config.server_notices_room_name = "Test Server Notice Room"
-
-        self.resource = JsonResource(self.hs)
-        register.register_servlets(self.hs, self.resource)
-        sync.register_servlets(self.hs, self.resource)
+        return self.hs
 
     def test_simple_deny_mau(self):
         # Create and sync so that the MAU counts get updated
@@ -193,8 +180,8 @@ class TestMauLimit(unittest.TestCase):
             }
         )
 
-        request, channel = make_request("POST", "/register", request_data)
-        render(request, self.resource, self.reactor)
+        request, channel = self.make_request("POST", "/register", request_data)
+        self.render(request)
 
         if channel.code != 200:
             raise HttpResponseException(
@@ -206,10 +193,10 @@ class TestMauLimit(unittest.TestCase):
         return access_token
 
     def do_sync_for_user(self, token):
-        request, channel = make_request(
+        request, channel = self.make_request(
             "GET", "/sync", access_token=token
         )
-        render(request, self.resource, self.reactor)
+        self.render(request)
 
         if channel.code != 200:
             raise HttpResponseException(