C_ALL=C to work around junit-xml ASCII only bug

Author: mr-c

jenkins.bash

@@ -55,9 +55,10 @@ do
 		EXTRA="EXTRA=${EXTRA}"
 	fi
 	# shellcheck disable=SC2086
-	./run_test.sh --junit-xml=result${PYTHON_VERSION}.xml RUNNER=cwltool \
+	LC_ALL=C ./run_test.sh --junit-xml=result${PYTHON_VERSION}.xml RUNNER=cwltool \
 		-j4 DRAFT="${version}" "${EXTRA}" \
 		"--classname=py${PYTHON_VERSION}_${CONTAINER}"
+	# LC_ALL=C is to work around junit-xml ASCII only bug
 	CODE=$((CODE+$?)) # capture return code of ./run_test.sh
 	deactivate
 	popd