integration-cli: fix minor linting issues

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

integration-cli/docker_cli_external_volume_driver_test.go

@@ -162,7 +162,6 @@ func newVolumePlugin(c *testing.T, name string) *volumePlugin {
 
 		v.Mountpoint = hostVolumePath(pr.Name)
 		send(w, map[string]vol{"Volume": v})
-		return
 	})
 
 	mux.HandleFunc("/VolumeDriver.Remove", func(w http.ResponseWriter, r *http.Request) {

integration-cli/docker_cli_images_test.go

@@ -202,7 +202,7 @@ func (s *DockerSuite) TestImagesFilterSpaceTrimCase(c *testing.T) {
 		"dangling = true",
 	}
 
-	imageListings := make([][]string, 5, 5)
+	imageListings := make([][]string, 5)
 	for idx, filter := range filters {
 		out, _ := dockerCmd(c, "images", "-q", "-f", filter)
 		listing := strings.Split(out, "\n")