add /usr/lib/x86_64-linux-gnu/ to LD_LIBRARY_PATH before running tests

.gitlab-ci.yml

@@ -22,7 +22,7 @@ variables:
       - rm -rf /workspace
       - mv workspace /
       - status=0
-      - echo -e "#!/bin/bash\nsource $DEVEL_HPP_DIR/config.sh\ncd $DEVEL_HPP_DIR/src/\$1/build-rel && make CTEST_OUTPUT_ON_FAILURE=1 test" > $DEVEL_HPP_DIR/test.sh || status=1
+      - echo -e "#!/bin/bash\nsource $DEVEL_HPP_DIR/config.sh\nexport LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/lib/x86_64-linux-gnu\ncd $DEVEL_HPP_DIR/src/\$1/build-rel && make CTEST_OUTPUT_ON_FAILURE=1 test" > $DEVEL_HPP_DIR/test.sh || status=1
       - cat $DEVEL_HPP_DIR/test.sh
       - set +e
       - chmod u+x $DEVEL_HPP_DIR/test.sh