public function testValidationFailsWithNoTransactions()
 {
     $this->transferRequest->clearTransactions(array());
     $this->assertSame(0, count($this->transferRequest->getTransactions()));
     $violations = Validator::validateTransferRequest($this->transferRequest);
     $this->assertTrue(count($violations) === 1);
     $this->assertTrue(count($violations->get('transactions')) === 1);
 }