dmtf_tools: Modify testcase to work with Redfish Usecase Checkers
dmtf_tools: Modify testcase to work with Redfish Usecase Checkers

- Set 1: Fix code to work with current APIs of Redfish-Usecase-Checkers.
Current APIs remove the input for individual test options.
Test coverage remains same since all test options are excercised by
individual test script.

Test:
- Tested

Change-Id: Iba78037e6be6b051c72836a9fd1803e7d948f569
Signed-off-by: Peter D  Phan <eac9d6da5208a55f31f482d8bf47ce1606742bda@us.ibm.com>

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