Fix missing test data in image

api/Dockerfile

@@ -18,6 +18,7 @@ COPY tests/ ./tests/
 COPY config/api_example_config.py ./config/
 COPY config/test_config_override.py ./config/
 COPY config/uwsgi_example.ini ./config/
+COPY config/db_test_data.sql ./config/
 
 # The source has a symlink file at src/videoag_common
 # The actual files are already in the image at src/videoag_common