diff --git a/.travis.yml b/.travis.yml
index a10f3a28b..01f3ba60b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,8 +19,9 @@ jdk:
   - oraclejdk8
 script:
   - pwd
-  - mvn clean org.jacoco:jacoco-maven-plugin:prepare-agent package sonar:sonar
+  - "$TRAVIS_PULL_REQUEST" = "true" || mvn test
+  - "$TRAVIS_PULL_REQUEST" = "false" || mvn clean org.jacoco:jacoco-maven-plugin:prepare-agent package sonar:sonar
 cache:
   directories:
     - '$HOME/.m2/repository'
-    - '$HOME/.sonar/cache'
\ No newline at end of file
+    - '$HOME/.sonar/cache'