fakeAmexDirectMerchantAccountId() public static method

 public function testSubmitForSettlement_withAmexRewardsSucceedsEvenIfCardBalanceIsInsufficient()
 {
     $result = Braintree\Transaction::sale(['amount' => '47.00', 'merchantAccountId' => Test\Helper::fakeAmexDirectMerchantAccountId(), 'creditCard' => ['cardholderName' => 'The Cardholder', 'number' => Braintree\Test\CreditCardNumbers::$amexPayWithPoints['InsufficientPoints'], 'expirationDate' => '05/12'], 'options' => ['amexRewards' => ['requestId' => 'ABC123', 'points' => '100', 'currencyAmount' => '1.00', 'currencyIsoCode' => 'USD']]]);
     $this->assertTrue($result->success);
     $transaction = $result->transaction;
     $this->assertEquals(Braintree\Transaction::AUTHORIZED, $transaction->status);
     $this->assertEquals(Braintree\Transaction::SALE, $transaction->type);
     $submitResult = Braintree\Transaction::submitForSettlement($transaction->id, '47.00');
     $submitTransaction = $submitResult->transaction;
     $this->assertEquals(Braintree\Transaction::SUBMITTED_FOR_SETTLEMENT, $submitTransaction->status);
 }