defaults_test gets a dummy test method so it has at least one test to run

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3557 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/test/defaults_test.rb

@@ -10,5 +10,9 @@ class DefaultsTest < Test::Unit::TestCase
       assert_instance_of(Fixnum, default.negative_integer)
       assert_equal(default.negative_integer, -1)
     end
+  else
+    def test_dummy
+      assert true
+    end
   end
 end