split all non-cli portions into a new internal/test/environment package
Set a test environment on packages instead of creating new ones.
Signed-off-by: Daniel Nephin <dnephin@docker.com>
Upstream-commit: f85ef42ea538911c82821ab6cc0166d492e9a379
Component: engine
… and continue emptying `docker_utils_test.go` from build related function.
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
Upstream-commit: 56fb4653e8b867802d2a33121f933d164a4e6325
Component: engine
