This test was failing if after the busybox image switched to a
single layer.
The test fails because it alters the data of an empty layer and
relies on a side effect of another empty layer not being skipped
on pull to pass.
(The original patch was provided by Tonis Tiigi)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: 4077614fb3e2324ddb897adf3cd092a8085543c1
Component: engine