public function countReturnesTheNumberOfValidatorsContainedInTheConjunction()
{
$validatorConjunction = new ConjunctionValidator([]);
$validator1 = $this->createMock(ValidatorInterface::class);
$validator2 = $this->createMock(ValidatorInterface::class);
$this->assertSame(0, count($validatorConjunction));
$validatorConjunction->addValidator($validator1);
$validatorConjunction->addValidator($validator2);
$this->assertSame(2, count($validatorConjunction));
}