Quick Look: testchannel2017 seems to be just what it's titled as: A test channel that slipped by the channel approvers and erroneously made its way into the Roku channel store. The channel has a single 8-minute YouTube video from Cracked, which can be viewed below without the need to actually install this "test" channel.
-- Information is current as of November 15, 2017
Developer's Channel Description: test
CHANNEL STORE CATEGORY: News & Weather
RELATED LINKS: None