should "have the required checkboxes be checked correctly, be able to switch the checkboxes and save, and have them reflected in the form" do
      assert !field_with_id("mapping_#{@mappings.first.id}_required").checked?
      assert field_with_id("mapping_#{@mappings.last.id}_required").checked?

      field_with_id("mapping_#{@mappings.first.id}_required").check