Cast integer/float field names to match the stringy values used in FormHelper. Refs #6343
Remove code that can easily be replicated in the test method. Fix doc blocks in fixtures.
Make the content-type header correct in IntegrationTestCase methods. While this is a tiny bit of duplicate code it is less invasive than other solutions I had come up with. Refs #6340
… integration tests
…tions for which cascadeCallbacks is true