Allow HHVM to fail

WyriHaximus · WyriHaximus · commit 68ea6f1eacdb · 2017-07-02T23:03:11.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -8,6 +8,10 @@ php:
   - 7
   - hhvm
 
+matrix:
+  allow_failures:
+    - php: hhvm
+
 sudo: false
 
 install:
