setup_env() {
       export IMSM_DEVNAME_AS_SERIAL=1
       export IMSM_TEST_OROM=1
       export IMSM_NO_PLATFORM=1
       }

reset_env() {
       unset IMSM_DEVNAME_AS_SERIAL
       unset IMSM_TEST_OROM
       unset IMSM_NO_PLATFORM
}