public function testGetTransactionUrlWithTestModeEmptyAndSandboxOff()
{
$this->scopeConfigMock->expects($this->once())->method('getValue')->willReturn(0);
$this->methodInterfaceMock->expects($this->once())->method('getConfigData')->with('transaction_url')->willReturn('transaction_url');
$this->config->setMethodInstance($this->methodInterfaceMock);
$this->assertEquals('transaction_url', $this->config->getTransactionUrl());
}