Fix test case run error

Fix test case run error
These run errors are caused by one issue: git package has been upgraded.
when using git command to operate  a directory that not belong to current user, it will show such error:
fatal: unsafe repository ('XXX' is owned by someone else)
To add an exception for this directory, call:

        git config --global --add safe.directory XXX

Change-Id: I2a239c3b74d80549e4ad7a6f5cc18e35e969ecd9
Signed-off-by: wang biao <biao716.wang@samsung.com>