add unexisted user change vm password case into nightly test
add unexisted user change vm password case into nightly test

zstackio/zstack-woodpecker,zstackio/zstack-woodpecker,zstackorg/zstack-woodpecker,zstackio/zstack-woodpecker,zstackorg/zstack-woodpecker,zstackorg/zstack-woodpecker