Set the environment variable in teaspoon example

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 46fe63bb2b101595fe02b0ea2fb40e43f0553a40..20debf4d1dd7d5c143e3d23b28a552a6a578bbe8 100644 (file)
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -55,7 +55,7 @@ bundle exec rails test:all
 You can run javascript tests with:
 
 ```
-bundle exec teaspoon
+RAILS_ENV=test bundle exec teaspoon
 ```
 
 You can view test coverage statistics by browsing the `coverage` directory.