Mock Path.mkdir calls in unit tests

unit_test/main_tests/conftest.py

@@ -31,12 +31,17 @@ def mock_protection(monkeypatch):
     def fail_on_call(*args, **kwargs):
         raise RuntimeError("This should never be called")
 
+    def ignore_call(*args, **kwargs):
+        pass
+
     monkeypatch.setattr(subprocess, 'Popen', fail_on_call)
     monkeypatch.setattr(util, 'download', fail_on_call)
     monkeypatch.setattr(windows, 'build', fail_on_call)
     monkeypatch.setattr(linux, 'build', fail_on_call)
     monkeypatch.setattr(macos, 'build', fail_on_call)
 
+    monkeypatch.setattr(Path, 'mkdir', ignore_call)
+
 
 @pytest.fixture(autouse=True)
 def fake_package_dir(monkeypatch):