Use gradle wrapper

MediaMarco · Matthias Bargmann · MediaMarco · commit 98a69e5604b5 · 2018-03-28T11:10:28.000+02:00
Co-authored-by: Matthias Bargmann &lt;matthias.bargmann@ottogroup.com&gt;
diff --git a/.travis.yml b/.travis.yml
@@ -16,7 +16,7 @@ install:
 jdk:
   - oraclejdk8
 script:
-  - gradle clean test -i
+  - ./gradlew clean test -i
 cache:
   directories:
   - $HOME/.m2
