public function testValidateFieldSettingsValid($inputSettings)
{
$fieldType = $this->getFieldTypeUnderTest();
$validationResult = $fieldType->validateFieldSettings($inputSettings);
$this->assertInternalType('array', $validationResult, 'The method validateFieldSettings() must return an array.');
$this->assertEquals(array(), $validationResult, 'validateFieldSettings() did not consider the input settings valid.');
}