Fix broken tests caused by incomplete loading of active support.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2901 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activesupport/CHANGELOG

 *SVN*
 
+* Fix broken tests caused by incomplete loading of active support. [Nicholas Seckar]
+
 * Fix status pluralization bug so status_codes doesn't get pluralized as statuses_code.  #2758 [keithm@infused.org]
 
 * Added Kernel#silence_stderr to silence stderr for the duration of the given block [Sam Stephenson]

activesupport/lib/active_support/dependencies.rb

 require File.dirname(__FILE__) + '/module_attribute_accessors'
+require File.dirname(__FILE__) + '/core_ext/load_error'
 
 module Dependencies #:nodoc:
   extend self

activesupport/test/dependencies_test.rb

@@ -20,7 +20,7 @@ def test_require_dependency_two_times
   end
 
   def test_require_missing_dependency
-    assert_raises(LoadError) { require_dependency("missing_service") }
+    assert_raises(MissingSourceFile) { require_dependency("missing_service") }
   end
   
   def test_require_missing_association