Remove pandoc os package install

base-notebook/test/test_pandoc.py

+# Copyright (c) Jupyter Development Team.
+# Distributed under the terms of the Modified BSD License.
+
+import logging
+
+import pytest
+
+LOGGER = logging.getLogger(__name__)
+
+
+def test_pandoc(container):
+    """Pandoc shall be able to convert MD to HTML."""
+    c = container.run(
+        tty=True, command=["start.sh", "bash", "-c", 'echo "**BOLD**" | pandoc']
+    )
+    c.wait(timeout=10)
+    logs = c.logs(stdout=True).decode("utf-8")
+    LOGGER.debug(logs)
+    assert "<p><strong>BOLD</strong></p>" in logs
+

minimal-notebook/Dockerfile

@@ -19,7 +19,6 @@ RUN apt-get update && apt-get install -yq --no-install-recommends \
     libxrender1 \
     lmodern \
     netcat \
-    pandoc \
     python-dev \
     texlive-fonts-extra \
     texlive-fonts-recommended \

pytest.ini

 [pytest]
+addopts = -rA
 log_cli = 1
-log_cli_level = INFO
+log_cli_level = DEBUG
 log_cli_format = %(asctime)s [%(levelname)8s] %(message)s (%(filename)s:%(lineno)s)
 log_cli_date_format=%Y-%m-%d %H:%M:%S
\ No newline at end of file