HDDS-3332. Make Robot test invocation independent from Python version (…

…#757)

hadoop-ozone/dist/src/main/compose/testlib.sh

@@ -99,7 +99,7 @@ execute_robot_test(){
   OUTPUT_PATH="$RESULT_DIR_INSIDE/robot-$OUTPUT_NAME.xml"
   # shellcheck disable=SC2068
   docker-compose -f "$COMPOSE_FILE" exec -T "$CONTAINER" mkdir -p "$RESULT_DIR_INSIDE" \
-    && docker-compose -f "$COMPOSE_FILE" exec -T -e SECURITY_ENABLED="${SECURITY_ENABLED}" -e OM_HA_PARAM="${OM_HA_PARAM}" "$CONTAINER" python -m robot ${ARGUMENTS[@]} --log NONE -N "$TEST_NAME" --report NONE "${OZONE_ROBOT_OPTS[@]}" --output "$OUTPUT_PATH" "$SMOKETEST_DIR_INSIDE/$TEST"
+    && docker-compose -f "$COMPOSE_FILE" exec -T -e SECURITY_ENABLED="${SECURITY_ENABLED}" -e OM_HA_PARAM="${OM_HA_PARAM}" "$CONTAINER" robot ${ARGUMENTS[@]} --log NONE -N "$TEST_NAME" --report NONE "${OZONE_ROBOT_OPTS[@]}" --output "$OUTPUT_PATH" "$SMOKETEST_DIR_INSIDE/$TEST"
   local -i rc=$?
 
   FULL_CONTAINER_NAME=$(docker-compose -f "$COMPOSE_FILE" ps | grep "_${CONTAINER}_" | head -n 1 | awk '{print $1}')