Payum\Paypal\ProHosted\Nvp\Tests\ApiTest::shouldAddMethodOnDoCreateButtonCall PHP Method

    public function shouldAddMethodOnDoCreateButtonCall()
    {
        $api = new Api(array('username' => 'a_username', 'password' => 'a_password', 'signature' => 'a_signature', 'business' => 'a_business', 'sandbox' => true, 'return' => 'optionReturnUrl'), $this->createSuccessHttpClientStub(), $this->createHttpMessageFactory());
        $result = $api->doCreateButton([]);
        $this->assertArrayHasKey('METHOD', $result);
        $this->assertEquals('BMCreateButton', $result['METHOD']);
    }