Remember how circle.yml works.

circle.yml

@@ -7,11 +7,11 @@ dependencies:
   pre:
     - pip install docker-compose
   override:
-    - docker-compose build
-  pwd: test
+    - docker-compose build:
+      pwd: test
 
 test:
   override:
-    - docker-compose run tests
-  pwd: test
+    - docker-compose run tests:
+      pwd: test