nbconvert + inkscape test improvements

minimal-notebook/test/test_inkscape.py

@@ -0,0 +1,18 @@
+# Copyright (c) Jupyter Development Team.
+# Distributed under the terms of the Modified BSD License.
+
+import logging
+
+LOGGER = logging.getLogger(__name__)
+
+
+def test_inkscape(container):
+    """Inkscape shall be installed to be able to convert SVG files."""
+    LOGGER.info("Test that inkscape is working by printing its version ...")
+    c = container.run(
+        tty=True, command=["start.sh", "bash", "-c", "inkscape --version"]
+    )
+    c.wait(timeout=10)
+    logs = c.logs(stdout=True).decode("utf-8")
+    LOGGER.debug(logs)
+    assert "Inkscape" in logs, "Inkscape not installed or not working"