Cap path dependency for tests due to mehtod removal

tests/requirements.txt

@@ -6,6 +6,7 @@ coincidence>=0.2.0
 coverage>=5.1
 coverage-pyver-pragma>=0.2.1
 importlib-metadata>=3.6.0
+path<17
 pytest>=6.0.0
 pytest-cov>=2.8.1
 pytest-randomly>=3.7.0