trying to speed up build

.travis.yml

@@ -9,7 +9,7 @@ env:
 
 before_install: "curl -L --cookie 'oraclelicense=accept-securebackup-cookie;'  http://download.oracle.com/otn-pub/java/jce/8/jce_policy-8.zip -o /tmp/policy.zip && sudo unzip -j -o /tmp/policy.zip *.jar -d `jdk_switcher home oraclejdk8`/jre/lib/security && rm /tmp/policy.zip"
 
-script: mvn -fmain/pom.xml -Puber-jar clean test package jacoco:report
+script: mvn -fmain/pom.xml -Puber-jar clean test jacoco:report package
 
 after_success: mvn -fmain/pom.xml coveralls:report