public function testExecute()
{
$engineInterfaceMock = $this->getMockBuilder('Symfony\\Bundle\\FrameworkBundle\\Templating\\EngineInterface')->disableOriginalConstructor()->getMock();
$engineInterfaceMock->expects($this->once())->method('renderResponse')->will($this->returnValue(new Response()));
$context = $this->getMock('Sonata\\BlockBundle\\Block\\BlockContextInterface');
$block = new BasketBlockService('test', $engineInterfaceMock);
$this->assertInstanceOf('Symfony\\Component\\HttpFoundation\\Response', $block->execute($context));
}