/**
* @param $data
* @param $expected
*
* @dataProvider validateDataProvider
*/
public function testValidate($data, $expected)
{
$this->_config->expects($this->exactly(3))->method('getAttribute')->will($this->returnValue($this->attributeCustomerMock));
$this->attributeCustomerMock->expects($this->exactly(3))->method('getIsRequired')->will($this->returnValue(true));
$this->_model->setData($data);
$this->assertEquals($expected, $this->_model->validate());
}