Resolve paths in tests (#245)

Author: blink1073

.github/workflows/tests.yml

@@ -159,3 +159,5 @@ jobs:
         run: |
           cd sdist/test
           pytest -vv || pytest -vv --lf
+          # Ensure that the pytest plugin is importable.
+          python -c "from jupyterlab_server import pytest_plugin"

tests/test_translation_api.py

@@ -48,6 +48,7 @@ def before_after_test(schemas_dir, user_settings_dir, labserverapp):
 
     # Copy the schema files.
     test_data = os.path.join(HERE, '..', 'jupyterlab_server', 'test_data')
+    test_data = os.path.abspath(test_data)
     src =  os.path.join(test_data, 'schemas', '@jupyterlab')
     dst = os.path.join(str(schemas_dir), '@jupyterlab')
     if os.path.exists(dst):

tests/utils.py

@@ -22,7 +22,7 @@
 here = os.path.dirname(__file__)
 
 with open(
-    os.path.join(here, '..', 'jupyterlab_server', 'test_data', 'app-settings', 'overrides.json'),
+    os.path.abspath(os.path.join(here, '..', 'jupyterlab_server', 'test_data', 'app-settings', 'overrides.json')),
     encoding='utf-8'
 ) as fpt:
     big_unicode_string = json.load(fpt)["@jupyterlab/unicode-extension:plugin"]["comment"]