diff --git a/noxfile.py b/noxfile.py
index 996ef2c..ff48779 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -69,7 +69,7 @@ def pre_commit(session: nox.Session):
 @nox.session(py=test_py_versions, name="test-mock")
 def test_mock(session: nox.Session):
     install_package(session, dev=True)
-    session.run("pytest", "--tb=short", "-n", "auto", "tests/mock/")
+    session.run("pytest", "tests/mock/")
 
 
 @nox.session(py=test_py_versions, name="test-api")