dict doesn't seem always keep order on Python. we have two separate part
to prepare test data[1], calling 'for k, v in self.args.items()' and
'for arg in self.args:' may get data in different order.
This commit makes we collect test data in same order.
Change-Id: I49f0d1b9aed110ad1e59140fd70760682e944d74
Related-Bug: #1677151