TEMP: Test w/o patch.

tests/server.py

@@ -40,7 +40,7 @@
     Union,
     cast,
 )
-from unittest.mock import Mock, patch
+from unittest.mock import Mock
 
 import attr
 from typing_extensions import ParamSpec
@@ -474,18 +474,6 @@ def getHostByName(
                     return fail(DNSLookupError("OH NO: unknown %s" % (name,)))
                 return succeed(lookups[name])
 
-        # In order for the TLS protocols to use the proper reactor's clock we need to patch
-        # _get_default_clock.
-        #
-        # This is *super* dirty since we never unpatch and rely on the next test
-        # to patch over us.
-        #
-        # Use create=True for backwards compatibilty with Twisted <= 23.8.0.
-        self._tls_clock_patcher = patch(
-            "twisted.protocols.tls._get_default_clock", return_value=self, create=True
-        )
-        self._tls_clock_patcher.start()
-
         self.nameResolver = SimpleResolverComplexifier(FakeResolver())
         super().__init__()