Better tests directory structure (#2231)

tests/image_specific_tests/scipy-notebook/test_extensions.py

@@ -0,0 +1,34 @@
+# Copyright (c) Jupyter Development Team.
+# Distributed under the terms of the Modified BSD License.
+import logging
+
+import pytest  # type: ignore
+
+from tests.utils.tracked_container import TrackedContainer
+
+LOGGER = logging.getLogger(__name__)
+
+
+@pytest.mark.skip(reason="Not yet compliant with JupyterLab 4")
+@pytest.mark.parametrize(
+    "extension",
+    [
+        "@bokeh/jupyter_bokeh",
+        "@jupyter-widgets/jupyterlab-manager",
+        "jupyter-matplotlib",
+    ],
+)
+def test_check_extension(container: TrackedContainer, extension: str) -> None:
+    """Basic check of each extension
+
+    The list of installed extensions can be obtained through this command:
+
+    $ jupyter labextension list
+
+    """
+    LOGGER.info(f"Checking the extension: {extension} ...")
+    container.run_and_wait(
+        timeout=10,
+        tty=True,
+        command=["jupyter", "labextension", "check", extension],
+    )