mkdir mocking method changed

Change-Id: I8664a3faa24d6e028bc704dd1fd6eeb12c2b1013
unzip mocking changed

Change-Id: I17964d25cea1cba8e12d2cb0baf32a183748624d
Change mockout of rm

Change-Id: Ia28886214f36603a6dccef9e86a84f3649546a34