Install graphviz on travis for tests

stefan-ka · stefan-ka · commit d4a45ae95aac · 2019-11-07T17:16:57.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -12,6 +12,7 @@ script:
     fi
 
 before_install:
+  - sudo apt-get -y install graphviz
   - openssl aes-256-cbc -K $encrypted_ef005e54dfe3_key -iv $encrypted_ef005e54dfe3_iv -in secret-key.gpg.enc -out secret-key.gpg -d
 
 after_success:
