Fix path to grb yaml values in ci tests

ci_tests/run_basic_grb_test.sh

@@ -15,7 +15,7 @@ install_charts() {
 
     # GRB
     pushd geosphere-grb/chart
-    sed -i "s/geosphere-rabbit-rabbitmq/${RABBITMQ_SERVICE_NAME}/g" "ci_tests/values-grb-g16.yaml"
+    sed -i "s/geosphere-rabbit-rabbitmq/${RABBITMQ_SERVICE_NAME}/g" "../../ci_tests/values-grb-g16.yaml"
     helm upgrade -v 2 --install --namespace $ns -f ../../ci_tests/values-grb-g16.yaml ${GRB_RELEASE_NAME} cspp-geo-grb/
     popd