Sometimes transient network issues will cause
TestPullFromCentralRegistryImplicitRefParts to end up pulling with the
v1 protocol. This violates the assumptions behind the test. To make the
test more robust, allow a few retries if any pull ends up using the v1
protocol.
Fixes#17214
Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
Upstream-commit: 884201115315abb0c7815e44e6728e590476aeb8
Component: engine