diff --git a/noxfile.py b/noxfile.py
index e83d0409..9fa05b4e 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -32,7 +32,7 @@ def tests(session):
     Run the unit and regular tests.
     """
     session.install("-e", ".[dev]")
-    session.run("pytest", *session.posargs)
+    session.run("pytest", *session.posargs, env={"PYTHONTRACEMALLOC": "5"})
 
 
 @nox.session(reuse_venv=True)
diff --git a/pyproject.toml b/pyproject.toml
index 07ebdc18..f3edc570 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -104,6 +104,7 @@ ignore_missing_imports = true
 
 
 [tool.pytest.ini_options]
+testpaths = ["tests"]
 minversion = "6.0"
 addopts = ["-ra", "--showlocals", "--cov-config=setup.cfg", "--strict-markers", "--strict-config"]
 norecursedirs = ["examples", "experiments"]
@@ -111,6 +112,7 @@ filterwarnings = [
   "always"
 ]
 log_cli_level = "info"
+xfail_strict = true
 required_plugins = ["pytest-timeout", "pytest-mock"]
 timeout = 300
 optional_tests = """
diff --git a/tests/test_local.py b/tests/test_local.py
index 3b5eb514..63583b41 100644
--- a/tests/test_local.py
+++ b/tests/test_local.py
@@ -1052,10 +1052,6 @@ class TestLocalEncoding:
     except NameError:
         richstr = chr(40960)
 
-    @pytest.mark.xfail(
-        IS_WIN32,
-        reason="Unicode output on Windows does not work (Python 3.6+ was supposed to work)",
-    )
     def test_inout_rich(self):
         from plumbum.cmd import echo