python3Packages.jsonpath-ng: fix build

The package was still using `disabledTestFiles` which should have been
migrated to `disabledTestPaths`, which led to reinclusion of a test file
that requires a dependency (oslotest), which we have not packaged yet.

pkgs/development/python-modules/jsonpath-ng/default.nix

@@ -26,7 +26,7 @@ buildPythonPackage rec {
 
   checkInputs = [ pytestCheckHook ];
 
-  disabledTestFiles = [
+  disabledTestPaths = [
     # Exclude tests that require oslotest
     "tests/test_jsonpath_rw_ext.py"
   ];