Braintree\TransactionSearch::gatewayRejectedAt PHP Method

    public static function gatewayRejectedAt()
    {
        return new RangeNode("gatewayRejectedAt");
    }

 public function test_rangeNode_gatewayRejectedAt()
 {
     $old_merchant_id = Braintree\Configuration::merchantId();
     $old_public_key = Braintree\Configuration::publicKey();
     $old_private_key = Braintree\Configuration::privateKey();
     Braintree\Configuration::merchantId('processing_rules_merchant_id');
     Braintree\Configuration::publicKey('processing_rules_public_key');
     Braintree\Configuration::privateKey('processing_rules_private_key');
     $transaction = Braintree\Transaction::sale(['amount' => '1000.00', 'creditCard' => ['number' => '4111111111111111', 'expirationDate' => '05/12', 'cvv' => '200']])->transaction;
     $twenty_min_ago = date_create("now -20 minutes", new DateTimeZone("UTC"));
     $ten_min_ago = date_create("now -10 minutes", new DateTimeZone("UTC"));
     $ten_min_from_now = date_create("now +10 minutes", new DateTimeZone("UTC"));
     $collection = Braintree\Transaction::search([Braintree\TransactionSearch::id()->is($transaction->id), Braintree\TransactionSearch::gatewayRejectedAt()->between($twenty_min_ago, $ten_min_ago)]);
     $firstCount = $collection->maximumCount();
     $collection = Braintree\Transaction::search([Braintree\TransactionSearch::id()->is($transaction->id), Braintree\TransactionSearch::gatewayRejectedAt()->between($ten_min_ago, $ten_min_from_now)]);
     $secondCount = $collection->maximumCount();
     $firstId = $collection->firstItem()->id;
     Braintree\Configuration::merchantId($old_merchant_id);
     Braintree\Configuration::publicKey($old_public_key);
     Braintree\Configuration::privateKey($old_private_key);
     $this->assertEquals(0, $firstCount);
     $this->assertEquals(1, $secondCount);
     $this->assertEquals($transaction->id, $firstId);
 }