Payum\Paypal\Masspay\Nvp\Tests\ApiTest::shouldAddMethodOnMasspayCall PHP Method

    public function shouldAddMethodOnMasspayCall()
    {
        $api = new Api(array('username' => 'a_username', 'password' => 'a_password', 'signature' => 'a_signature', 'sandbox' => true, 'return_url' => 'optionReturnUrl', 'cancel_url' => 'optionCancelUrl'), $this->createSuccessHttpClientStub(), $this->createHttpMessageFactory());
        $result = $api->massPay([]);
        $this->assertArrayHasKey('METHOD', $result);
        $this->assertEquals('MassPay', $result['METHOD']);
    }