Bitpay\InvoiceTest::testSetTransactionSpeed PHP Метод

    public function testSetTransactionSpeed()
    {
        $this->assertNotNull($this->invoice);
        $this->invoice->setTransactionSpeed(Invoice::TRANSACTION_SPEED_MEDIUM);
        $this->assertSame(Invoice::TRANSACTION_SPEED_MEDIUM, $this->invoice->getTransactionSpeed());
    }