Doc fix

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1140 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/RUNNING_UNIT_TESTS

@@ -11,7 +11,7 @@ Rake can be found at http://rake.rubyforge.org
 If you only want to run a single test suite, or don't want to bother with Rake,
 you can do so with something like:
 
-   ruby controller/base_test.rb
+   ruby controller/base_tests.rb
 
 == Dependency on ActiveRecord and database setup