[usecase-wrt]Change multiuser tcs to approved
[Detailed commit message (if have)]
Impacted TCs num(approved): New 0, update 13, deleted 0
Unit test platform: [tizen]
Unit test result summary:Pass 13, Fail 0,Block 0
Merge pull request #995 from linshen/shenlin/wrt/update-mutiuser-toapprove

[usecase-wrt]Change multiuser tcs to approved