cancel.auth-script

linux dbus at linux run destkop

## this tests canceling EXTERNAL

SERVER
SEND 'AUTH EXTERNAL USERID_HEX'
EXPECT_COMMAND OK
EXPECT_STATE WAITING_FOR_INPUT
SEND 'CANCEL'
EXPECT_COMMAND REJECTED
EXPECT_STATE WAITING_FOR_INPUT

## now start over and see if it works
SEND 'AUTH EXTERNAL USERID_HEX'
EXPECT_COMMAND OK
EXPECT_STATE WAITING_FOR_INPUT
SEND 'BEGIN'
EXPECT_STATE AUTHENTICATED