Development database required for running rake test (closes #4153).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3021 e93f8b46-1217-0410-a6f0-8f06a7374b81

doc/RUNNING_TESTS

@@ -10,6 +10,8 @@ Running Tests
 Run `rake --tasks test` to see available tests.
 `rake test` will run the entire testsuite.
 
+Before running `rake test` you need to configure both development
+and test databases.
 
 Creating test repositories
 ===================