Fix elog test

Changes:
    1. Keyword fix
    2. Use utils "Delete Error logs"

Resolves openbmc/openbmc-test-automation#680

Change-Id: Ic1211aabec7c48994dec80b31177f657c0da6eca
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
1 file changed