Test with JDK 14 on Travis CI

tbroyer · tbroyer · commit 35b0b520d7b2 · 2020-05-16T14:43:19.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,6 +3,7 @@ language: java
 jdk:
   - openjdk8
   - openjdk11
+  - openjdk14
 
 env:
   - GWT_VERSION=2.8.2
