skip gpg while in test

Author: weiguoz

.travis.yml

@@ -3,21 +3,17 @@ sudo: false
 cache:
   directories:
     - $HOME/.m2
-
 env:
   - JDK=oraclejdk8
 dist: trusty
-before_install:
-  - cp .travis.settings.xml $HOME/.m2/settings.xml
 before_script:
   - jdk_switcher use $JDK
 
-script:
-  - mvn clean verify --batch-mode --errors --fail-at-end --show-version
+install: mvn clean verify -Dgpg.skip
 
 deploy:
   provider: script
-  script: "mvn deploy -P gpg"
+  script: "cp .travis.settings.xml $HOME/.m2/settings.xml && mvn deploy -P gpg"
   skip_cleanup: true
   on:
       # Set `tag: true` so that the deployment is triggered only when a tagged commit is pushed