1 files changed, 13 insertions, 1 deletions
diff --git a/tests/handlers/test_cas.py b/tests/handlers/test_cas.py
index a54aa29cf1..751025c5da 100644
--- a/tests/handlers/test_cas.py
+++ b/tests/handlers/test_cas.py
@@ -201,4 +201,16 @@ class CasHandlerTestCase(HomeserverTestCase):
 
 def _mock_request():
     """Returns a mock which will stand in as a SynapseRequest"""
-    return Mock(spec=["getClientIP", "getHeader", "_disconnected"])
+    mock = Mock(
+        spec=[
+            "finish",
+            "getClientIP",
+            "getHeader",
+            "setHeader",
+            "setResponseCode",
+            "write",
+        ]
+    )
+    # `_disconnected` musn't be another `Mock`, otherwise it will be truthy.
+    mock._disconnected = False
+    return mock