add a failing test so we can make it happy again

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5225 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/test/callbacks_test.rb

@@ -109,6 +109,13 @@ class ImmutableMethodDeveloper < ActiveRecord::Base
   end
 end
 
+class CallbackCancellationDeveloper < ActiveRecord::Base
+  set_table_name 'developers'
+  def before_create
+    false
+  end
+end
+
 class CallbacksTest < Test::Unit::TestCase
   fixtures :developers
 
@@ -334,6 +341,12 @@ class CallbacksTest < Test::Unit::TestCase
     assert_raises(ActiveRecord::RecordInvalid) { david.save! }
   end
 
+  def test_before_create_returning_false
+    someone = CallbackCancellationDeveloper.new
+    assert someone.valid?
+    assert !someone.save
+  end
+
   def test_before_destroy_returning_false
     david = ImmutableDeveloper.find(1)
     assert !david.destroy