Implement optional "verbose" mode for run-tests.sh

* to get more diagnostic information than just
  "unexpected EOF while looking for matching `''"
* use that mode in GitLab CI/CD

.gitlab-ci.yml

@@ -10,7 +10,7 @@ run-tests:
     - git clean -dfx
     - uv sync --all-extras --no-progress
     - source .venv/bin/activate
-    - ./run-tests.sh
+    - ./run-tests.sh -V
     - deactivate
   coverage: /TOTAL.*? (100(?:\.0+)?\%|[1-9]?\d(?:\.\d+)?\%)$/
   artifacts:

run-tests.sh

@@ -29,6 +29,10 @@ for arg in $@; do
 		-K|--keep-services)
 			keep_services=1
 			;;
+        -V)
+            echo "Setting verbose option in the shell. To use the -V flag for pytest, use --version instead."
+            set -o verbose
+            ;;
 		*)
 			pytest_args+=( "${arg}" )
 			;;