Add wait time to verify mux status in sanity check#7422

xwjiang-ms merged 3 commits intosonic-net:mastersonic-net/sonic-mgmt:masterfrom

xwjiang-ms:add_mux_wait_time_in_sanity_checkxwjiang-ms/sonic-mgmt:add_mux_wait_time_in_sanity_checkCopy head branch name to clipboard