tree e2b84fe89bb91f69920f2e321d9d53e13521c4eb
parent af9a863cd7aa4aa4ef12227908a10bc07440a0f0
author Sen Jiang <senj@google.com> 1443219571 -0700
committer Sen Jiang <senj@google.com> 1443220861 -0700

Make metadata signature test independent of integration test.

In order to split those integration tests to a separate file, the metadata
signature test should not rely on them.

Bug: 23720829
TEST=cros_workon_make update_engine --test

Change-Id: I2fe048ded74ebd319a017f5db6b12fb82b00c94c