Upgraded to Maven 3.3.3 in tests
Upgraded to Maven 3.3.3 in tests

franciscocpg/heroku-buildpack-java,noncreativetype/sms,heroku/heroku-buildpack-java,wishtack/heroku-buildpack-java,neilgandhi/heroku-buildpack-java,JIoJIaJIu/heroku-buildpack-java,bluebreezecf/heroku-buildpack-java,noncreativetype/sms,JIoJIaJIu/heroku-buildpack-java,neilgandhi/heroku-buildpack-java,Scalingo/java-buildpack,heroku/heroku-buildpack-java,bluebreezecf/heroku-buildpack-java,franciscocpg/heroku-buildpack-java,noncreativetype/sms,Scalingo/java-buildpack,wishtack/heroku-buildpack-java