[wrt]update test.py to run on list devices

[Detailed commit message (if have)]
Impacted TCs num(approved): New: 131
Unit test platform: [tizen]
Unit test result summary: Pass 131 , Fail 0, Blocked 0
Merge pull request #706 from linshen/shenlin/manifest-auto

[wrt]update test.py to run on list devices