Imports of package dktesting

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/dhui/dktest
github.com/docker/docker/api/types/image
github.com/docker/docker/clientPackage client is a Go client for the Docker Engine API.
testingPackage testing provides support for automated testing of Go packages.