2 more redfish local user test cases
2 more redfish local user test cases

Test Cases:
Test 27: Verify Create User Without Enabling It
Test 24: Verify Redfish User Persistence After Reboot
Execution logs: https://pastebin.com/Pjxcb6JJ

Change-Id: I9299e646ab0e99d4fc42ed4ed6e6e31279f49781
Signed-off-by: Sandhya Somashekar <b05e6d7472131b23ad07eb2225939de0d92fbd5d@in.ibm.com>
Signed-off-by: Maksym Yepaneshnikov <6ff19d2db732e3ffbc4e70b9ba3c1274f9d7aeb1@jabil.com>

openbmc/openbmc-test-automation,openbmc/openbmc-test-automation