LTP SU test

root@hikey:/opt/ltp# ./runltp -f admin_tools -q -p
INFO: creating /opt/ltp/output directory
INFO: creating /opt/ltp/results directory
Checking for required user/group ids

'nobody' user id and group found.
'bin' user id and group found.
'daemon' user id and group found.
Users group found.
Sys group found.
Required users/groups exist.
no big block device was specified on commandline.
Tests which require a big block device are disabled.
You can specify it with option -z
INFO: Test start time: Mon Jul 17 15:37:51 UTC 2017
COMMAND:    /opt/ltp/bin/ltp-pan  -q  -e -S   -a 2693     -n 2693  -p  -f /tmp/ltp-bDwYjqGgq4/alltests -l /opt/ltp/results/LTP_RUN_ON-2017_07_17-15h_37m_48s.log  -C /opt
/ltp/output/LTP_RUN_ON-2017_07_17-15h_37m_48s.failed -T /opt/ltp/output/LTP_RUN_ON-2017_07_17-15h_37m_48s.tconf
LOG File: /opt/ltp/results/LTP_RUN_ON-2017_07_17-15h_37m_48s.log
FAILED COMMAND File: /opt/ltp/output/LTP_RUN_ON-2017_07_17-15h_37m_48s.failed
TCONF COMMAND File: /opt/ltp/output/LTP_RUN_ON-2017_07_17-15h_37m_48s.tconf
Running tests.......
This script contains bashism that needs to be fixed!
Machine type is: linaro-linux

usermod: group 'trusted' does not exist
usermod: group 'trusted' does not exist
Starting 'su' Testing

TEST: su with no parameters and correct password
spawn /bin/su -c whoami
Password:
root
spawn su -c /bin/su root -c "echo \$TEST_LINE > /tmp/TEST_ENV_FILE_ROOT"
Password:
/bin/su with correct password & enviroment check ( PASSED )

TEST: su with no parameters and incorrect password
spawn /bin/su -c whoami
Password:
su: Authentication failure

displayed_error=1
exit_code=0
pid=2797
/bin/su with incorrect password ( FAILED )

TEST: su to root using name parameter and correct password.
spawn /bin/su -l root -c whoami
Password:
root
spawn /bin/sh -c /bin/su -l root -c "echo "\$TEST_LINE > /tmp/TEST_ENV_FILE_ROOT2""
Password: /bin/su -l root with correct password & enviroment check ( PASSED )

TEST: su to root with name parameter and incorrect password.
spawn /bin/su -l root -c whoami
Password:
su: Authentication failure
/bin/su -l root with incorrect password ( FAILED )
TEST: su to user1 with name parameter and correct password.
spawn /bin/su -l su_usr2 -c whoami
Password:
mesg: cannot open /dev/pts/1: Permission denied
su_usr2
spawn /bin/sh -c /bin/su -l su_usr2 -c "echo "\$TEST_LINE > /tmp/TEST_ENV_FILE_USER""
Password: /bin/su -l su_usr2 with correct password & enviroment check ( PASSED )
TEST: su to user1 with name parameter and incorrect password.
spawn /bin/su -l su_usr2 -c whoami
Password:
su: Authentication failure
/bin/su -l su_usr2 with incorrect password ( FAILED )
TEST:  su to user1 with the user1 password expired.
spawn /bin/su -l root -c passwd -e su_usr2
Password:
passwd: password expiry information changed.
spawn /bin/su -l su_usr2 -c whoami
Password:
You are required to change your password immediately (administrator enforced)
su: Authentication token manipulation error
/bin/su -l su_usr2 with expired correct password ( FAILED )
spawn /bin/su -l root -c passwd su_usr2
Password:
New password: INFO: ltp-pan reported some tests FAIL
LTP Version: 20170516
INFO: Test end time: Mon Jul 17 15:38:12 UTC 2017

       ###############################################################

            Done executing testcases.
            LTP Version:  20170516
       ###############################################################

root@hikey:/opt/ltp#