[master][wrt-usecase][XWALK-3194][XWALK-2920] Add 2 new TCs

Impacted TCs num(approved):New 2,Update 0,Delete 0
Test Result: pass 2, fail 0, block 0
Merge pull request #1550 from linshen/shenlin/yhc-update-usecase-2

[master][wrt/usecase][XWALK-3194][XWALK-2920] Add 2 new TCs