Adds completion tests.

Resolves issue #7.

.travis.yml

@@ -4,10 +4,7 @@ before_install:
     - sudo apt-get update
     - sudo apt-get -y install fish
     - curl -s "https://get.sdkman.io" | bash
-    - source "${HOME}"/.sdkman/bin/sdkman-init.sh
-    - sdk install ant 1.9.9
-    - echo "y" | sdk install ant 1.10.1
-    - sdk default ant 1.10.1
+    - bash test/prepare_tests.sh
 
 install:
     - mkdir -p "${HOME}"/.config/fish/{completions,conf.d,functions}
@@ -17,6 +14,8 @@ install:
 
 jobs:
   include:
+    - stage: Completion Tests
+      script: ruby test/completion.rb
     - stage: General Wrapper Tests
       script: fish test/wrapper.fish
     - stage: Ticket-specific tests