diff --git a/tests/integration/learning/test_discovery_phases.py b/tests/integration/learning/test_discovery_phases.py
index caa03615a..4a2ea631f 100644
--- a/tests/integration/learning/test_discovery_phases.py
+++ b/tests/integration/learning/test_discovery_phases.py
@@ -66,15 +66,14 @@ def test_alice_can_learn_about_a_whole_bunch_of_ursulas(highperf_mocked_alice):
     # TODO: Consider changing this - #1449
     assert VerificationTracker.node_verifications == 1
 
-    # A quick setup so that the bytes casting of Ursulas (on what in the real world will be the remote node)
-    # doesn't take up all the time.
     _teacher = highperf_mocked_alice.current_teacher_node()
     actual_ursula = MOCK_KNOWN_URSULAS_CACHE[_teacher.rest_interface.port]
 
+    # A quick setup so that the bytes casting of Ursulas (on what in the real world will be the remote node)
+    # doesn't take up all the time.
     _teacher_known_nodes_bytestring = actual_ursula.bytestring_of_known_nodes()
     actual_ursula.bytestring_of_known_nodes = lambda *args, ** kwargs: _teacher_known_nodes_bytestring  # TODO: Formalize this?  #1537
 
-
     with mock_cert_storage, mock_cert_loading, mock_verify_node, mock_message_verification, mock_metadata_validation:
         with mock_pubkey_from_bytes(), mock_stamp_call, mock_signature_bytes:
             started = time.time()
@@ -92,7 +91,6 @@ def test_alice_can_learn_about_a_whole_bunch_of_ursulas(highperf_mocked_alice):
 _POLICY_PRESERVER = []
 
 
-@pytest.mark.parametrize('fleet_of_highperf_mocked_ursulas', [1000], indirect=True)
 def test_alice_verifies_ursula_just_in_time(fleet_of_highperf_mocked_ursulas,
                                             highperf_mocked_alice,
                                             highperf_mocked_bob):
@@ -124,7 +122,6 @@ def test_alice_verifies_ursula_just_in_time(fleet_of_highperf_mocked_ursulas,
 
 
 @pytest_twisted.inlineCallbacks
-@pytest.mark.parametrize('fleet_of_highperf_mocked_ursulas', [1000], indirect=True)
 def test_mass_treasure_map_placement(fleet_of_highperf_mocked_ursulas,
                                      highperf_mocked_alice,
                                      highperf_mocked_bob):
diff --git a/tests/mock/performance_mocks.py b/tests/mock/performance_mocks.py
index 2f2425c6f..058927e83 100644
--- a/tests/mock/performance_mocks.py
+++ b/tests/mock/performance_mocks.py
@@ -196,8 +196,8 @@ class NotARestApp:
     def actual_rest_app(self):
         if self._actual_rest_app is None:
             self._actual_rest_app, _datastore = make_rest_app(db_filepath="no datastore",
-                                                             this_node=self.this_node,
-                                                             serving_domains=(None,))
+                                                              this_node=self.this_node,
+                                                              serving_domains=(None,))
             _new_view_functions = self._ViewFunctions(self._actual_rest_app.view_functions)
             self._actual_rest_app.view_functions = _new_view_functions
             self._actual_rest_apps.append(