fix tests
fix tests

Signed-off-by: Peter Edge <479a4710fed3c4e108328288f4ad3c9436981212@gmail.com>

csrwng/go-dockerclient,ybogdanov/go-dockerclient,tarsisazevedo/go-dockerclient,davidstack/go-dockerclient,fsouza/go-dockerclient,paulbellamy/go-dockerclient,tarsisazevedo/go-dockerclient,csrwng/go-dockerclient,davidstack/go-dockerclient,ybogdanov/go-dockerclient