Update .travis.yml

Author: Theosakamg

.travis.yml

@@ -36,7 +36,7 @@ before_install:
 - docker run -u "$UID" -it --rm -v `pwd`:`pwd` --env-file .env -e COVERALLS_REPO_TOKEN=$COVERALLS_REPO_TOKEN -w `pwd` theosakamg7/ros2java:latest sh -c ". ament_ws/install_isolated/local_setup.sh && cd /home/travis/build/ros2_java_ws && ament build --symlink-install --isolated --skip-packages $PKG_EXCLUDE --ament-gradle-args --parallel --daemon --configure-on-demand"
 
 script:
-- cd $HOME_BUILD && docker run -u "$UID" -it --rm -v `pwd`:`pwd` --env-file .env -e COVERALLS_REPO_TOKEN=$COVERALLS_REPO_TOKEN -w `pwd` theosakamg7/ros2java:latest sh -c ". ament_ws/install_isolated/local_setup.sh && cd /home/travis/build/ros2_java_ws && ament test --symlink-install --isolated --only-packages rcljava_utils --ament-gradle-args --parallel --daemon --configure-on-demand"
+- cd $HOME_BUILD && docker run -u "$UID" -it --rm -v `pwd`:`pwd` --env-file .env -e COVERALLS_REPO_TOKEN=$COVERALLS_REPO_TOKEN -w `pwd` theosakamg7/ros2java:latest sh -c ". ament_ws/install_isolated/local_setup.sh && export && cd /home/travis/build/ros2_java_ws && ament test --symlink-install --isolated --only-packages rcljava_utils --ament-gradle-args --parallel --daemon --configure-on-demand"
 
 notifications:
   webhooks: