misc: retry cli tests up to 3 times in appveyor (#9512)
misc: retry cli tests up to 3 times in appveyor (#9512)


umaar/lighthouse,wardpeet/lighthouse,umaar/lighthouse,ev1stensberg/lighthouse,wardpeet/lighthouse,wardpeet/lighthouse,umaar/lighthouse,wardpeet/lighthouse,ev1stensberg/lighthouse,GoogleChrome/lighthouse,GoogleChrome/lighthouse,GoogleChrome/lighthouse,ev1stensberg/lighthouse,wardpeet/lighthouse,GoogleChrome/lighthouse,ev1stensberg/lighthouse,GoogleChrome/lighthouse,umaar/lighthouse