circle.yml in mail-x_smtpapi-1.1.0 vs circle.yml in mail-x_smtpapi-1.2.0

@@ -1,3 +1,10 @@
 machine:
   ruby:
     version: 2.3.1
+
+dependencies:
+  post:
+    - bundle exec appraisal install
+test:
+  override:
+    - bundle exec appraisal rake test