Fix TestBuildCacheADD to check cache in out, not in id

Signed-off-by: Alexandr Morozov <lk4d4@docker.com>
Merge pull request #8416 from LK4D4/fix_build_cache_test

Fix TestBuildCacheADD to check cache in out, not in id
integcli: lint fixes

Docker-DCO-1.1-Signed-off-by: Cristian Staretu <cristian.staretu@gmail.com> (github: unclejack)
Merge pull request #8409 from unclejack/integcli_lint

integcli: lint fixes