Doc update.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10280 e93f8b46-1217-0410-a6f0-8f06a7374b81

doc/RUNNING_TESTS

@@ -55,3 +55,6 @@ See: http://www.redmine.org/projects/redmine/wiki/Repositories_access_control_wi
 You need an empty repository accessible at http://127.0.0.1/svn/ecookbook
 Then, you can run the tests with:
 `ruby test\extra\redmine_pm\repository_subversion_test.rb`
+
+If you svn server is not running on localhost, you can use the REDMINE_TEST_DAV_SERVER
+environment variable to specify another host.