diff --git a/Library/Homebrew/test/test_version_subclasses.rb b/Library/Homebrew/test/test_os_mac_version.rb
similarity index 96%
rename from Library/Homebrew/test/test_version_subclasses.rb
rename to Library/Homebrew/test/test_os_mac_version.rb
index 5b38268b5a..f702c7097a 100644
--- a/Library/Homebrew/test/test_version_subclasses.rb
+++ b/Library/Homebrew/test/test_os_mac_version.rb
@@ -2,7 +2,7 @@ require "testing_env"
 require "version"
 require "os/mac/version"
 
-class MacOSVersionTests < Homebrew::TestCase
+class OSMacVersionTests < Homebrew::TestCase
   def setup
     @v = MacOS::Version.new("10.7")
   end