.gitignore in ballast-2.0.1 vs .gitignore in ballast-2.1.0

@@ -1,10 +1,9 @@
 Gemfile.lock
-tester.rb
 coverage/
 pkg/
 .idea/
 .yardoc/
 .bundle/
 /metrics
 /.metrics
-/tmp/metric_fu
+/tmp