Fix bug in recoverable code update tests

When running recoverable code update tests, Robot will use a dummy
image to update to. This fix makes sure that the dummy image
is deleted in between each test case.

Resoves openbmc/openbmc-test-automation#1068

Change-Id: If94618cb3a926bfba1f41fb1f39b551014a73f0f
Signed-off-by: Charles Paul Hofer <Charles.Hofer@ibm.com>
2 files changed