Fixing typo in test for turn gem

railties/test/generators/app_generator_test.rb

@@ -213,7 +213,7 @@ def test_inclusion_of_turn_gem_in_gemfile
   def test_turn_gem_is_not_included_in_gemfile_if_skipping_test_unit
     run_generator [destination_root, "--skip-test-unit"]
     assert_file "Gemfile" do |contents|
-      assert_no_match /gem 'tuarn'/, contents unless RUBY_VERSION < '1.9.2'
+      assert_no_match /gem 'turn'/, contents unless RUBY_VERSION < '1.9.2'
     end
   end