Actually TEST the behavior thought to to be tested in the #c02f95
  also, fix the behavior by making sure that wrapper options passed to a
  particular input override the options passed to the original builder in
  `SimpleForm::Inputs::Base#html_options_for` - this might be an existing
  bug exposed by this test since changing the code in this manner causes
  no test failures - and at least the behavior is now codified in a test