@Test
public void testValidateConfigurationInvalidFieldSetsExtraProperties()
	throws Exception {

	expectedException.expect(FragmentEntryConfigurationException.class);
	expectedException.expectMessage(
		new StringContains("extraneous key [extra] is not permitted"));
	_fragmentEntryValidatorImpl.validateConfiguration(
		_read("configuration_invalid_field_sets_extra_properties.json"));
}