fix tests

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
Upstream-commit: 964d82d00506c3005d102b9a1f94848182c5989d
Component: engine

components/engine/integration/api_test.go

@@ -13,6 +13,7 @@ import (
 	"github.com/dotcloud/docker/runconfig"
 	"github.com/dotcloud/docker/utils"
 	"io"
+	"io/ioutil"
 	"net"
 	"net/http"
 	"net/http/httptest"

components/engine/integration/server_test.go

@@ -691,7 +691,7 @@ func TestDeleteTagWithExistingContainers(t *testing.T) {
 		t.Fatalf("Should only have deleted one untag %d", len(imgs.Data))
 	}
 
-	if untag := imgs.Data[0].Get("Untagged"); untag != unitTestImageID {
+	if untag := imgs.Data[0].Get("Untagged"); untag != "utest:tag1" {
 		t.Fatalf("Expected %s got %s", unitTestImageID, untag)
 	}
 }