REST post response compliant test

Changes:
    - Replace older logic with new "Post" gard clear.

Resolves  openbmc/openbmc-test-automation#1330

Change-Id: I35925900c726f8ad1bf027b4967df68377d1f104
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
3 files changed