Fix broken integration test 'test_client'

:Release Notes:
Category should start with a slash

:Detailed Notes:

:Testing Performed:
Automatic tests

:QA Notes:

:Issues Addressed:
[BHV-6671] Fix broken integration test test_client

Open-webOS-DCO-1.0-Signed-off-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>

Change-Id: I6a3c609b4c45a7566fda1b5da559978f784d941a
Reviewed-on: https://g2g.palm.com/5503
Reviewed-by: DCO Verification
Reviewed-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>
Tested-by: Anatolii Sakhnik <anatolii.sakhnik@lge.com>
Reviewed-by: Alexandr Smoktal <alexandr.smoktal@lge.com>
Reviewed-by: Sergiy Kryvonos <sergiy.kryvonos@lge.com>