Merge pull request #449 from msgehard/rename_duplicate_test_methods

Rename duplicate tests

activesupport/test/class_cache_test.rb

@@ -58,7 +58,7 @@ module ActiveSupport
         assert @cache.key?(ClassCacheTest.name)
       end
 
-      def test_new_rejects_strings
+      def test_new_rejects_strings_when_called_on_a_new_string
         assert_deprecated do
           @cache.new ClassCacheTest.name
         end

activesupport/test/xml_mini_test.rb

@@ -48,7 +48,7 @@ module XmlMiniTest
       assert_equal "__id", ActiveSupport::XmlMini.rename_key("__id")
     end
 
-    def test_rename_key_does_not_dasherize_multiple_leading_underscores
+    def test_rename_key_does_not_dasherize_multiple_trailing_underscores
       assert_equal "id__", ActiveSupport::XmlMini.rename_key("id__")
     end  
   end