Add first e2e test

Signed-off-by: Daniel Nephin <dnephin@docker.com>

cli/command/stack/remove.go

@@ -2,6 +2,7 @@ package stack
 
 import (
 	"fmt"
+	"sort"
 	"strings"
 
 	"github.com/docker/cli/cli"
@@ -88,12 +89,19 @@ func runRemove(dockerCli command.Cli, opts removeOptions) error {
 	return nil
 }
 
+func sortServiceByName(services []swarm.Service) func(i, j int) bool {
+	return func(i, j int) bool {
+		return services[i].Spec.Name < services[j].Spec.Name
+	}
+}
+
 func removeServices(
 	ctx context.Context,
 	dockerCli command.Cli,
 	services []swarm.Service,
 ) bool {
 	var hasError bool
+	sort.Slice(services, sortServiceByName(services))
 	for _, service := range services {
 		fmt.Fprintf(dockerCli.Err(), "Removing service %s\n", service.Spec.Name)
 		if err := dockerCli.Client().ServiceRemove(ctx, service.ID); err != nil {