public function testShouldReturnBAVInstanceResulteWhenValidating()
{
$input = '10000000';
$bav = $this->getBavMock();
$rule = new GermanBank($bav);
$bav->expects($this->any())->method('isValidBank')->with($input)->will($this->returnValue(true));
$this->assertTrue($rule->validate($input));
}