public function testGetCellFeed()
{
$feedUrl = "https://spreadsheets.google.com/feeds/cells/tA3TdJ0RIVEem3xQZhG2Ceg/od8/private/full";
$mockServiceRequest = $this->getMockBuilder(DefaultServiceRequest::class)->setMethods(["get"])->disableOriginalConstructor()->getMock();
$mockServiceRequest->expects($this->once())->method("get")->with($this->equalTo($feedUrl))->willReturn(file_get_contents(__DIR__ . "/xml/cell-feed.xml"));
ServiceRequestFactory::setInstance($mockServiceRequest);
$this->assertTrue($this->worksheet->getCellFeed() instanceof CellFeed);
}