features/handlers/start.feature in trema-0.8.4 vs features/handlers/start.feature in trema-0.9.0

@@ -1,7 +1,12 @@
 Feature: start handler
   Background:
-    Given a file named "hello.rb" with:
+    Given I set the environment variables to:
+      | variable         | value |
+      | TREMA_LOG_DIR    | .     |
+      | TREMA_PID_DIR    | .     |
+      | TREMA_SOCKET_DIR | .     |
+    And a file named "hello.rb" with:
       """ruby
       class Hello < Trema::Controller
         def start(args)
           logger.info "args = [#{args.join(', ')}]"
         end