test repo: Bandit code scan report of high severity security vulnerabilit

[sharath kumar]

>> Issue: [B401:blacklist] A telnet-related module is being imported. Telnet is considered insecure. Use SSH or some other encrypted protocol.
   Severity: High Confidence: High
   Location: ./test/automated-pytest-suite/utils/clients/telnet.py:11
   More Info: https://bandit.readthedocs.io/en/latest/blacklists/blacklist_imports.html#b401-import-telnetlib
 import time
 from telnetlib import Telnet, theNULL, DO, DONT, WILL, WONT, NOOPT, IAC, \
     SGA, ECHO, SE, SB

 from consts.auth import HostLinuxUser

--------------------------------------------------
>> Issue: [B605:start_process_with_a_shell] Starting a process with a shell, possible injection detected, security issue.
   Severity: High Confidence: High
   Location: ./test/automated-robot-suite/Libraries/iso_setup.py:72
   More Info: https://bandit.readthedocs.io/en/latest/plugins/b605_start_process_with_a_shell.html

         os.system('{term} -geometry {geo} -T {title} -e {cmd} &'.format(
             term=terminal, geo=geometry, title=terminal_title, cmd=command))

--------------------------------------------------
>> Issue: [B602:subprocess_popen_with_shell_equals_true] subprocess call with shell=True identified, security issue.
   Severity: High Confidence: High
   Location: ./test/automated-robot-suite/Utils/bash_utils.py:109
   More Info: https://bandit.readthedocs.io/en/latest/plugins/b602_subprocess_popen_with_shell_equals_true.html
     proc = subprocess.Popen(
         command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True,
         executable='/bin/bash')
     output, error = proc.communicate()
     output = output.strip() if output else output

[Ghada Khalil (gkhalil)]

The priority of addressing bandit findings need to be discussed with the TSC. At this time, this work is unplanned.