fix: not propertly stopped service (#469)

Author: gfyrag

testing/deferred/deferred.go

@@ -85,6 +85,11 @@ func (d *Deferred[V]) SetValue(v V) {
 	close(d.done)
 }
 
+func (d *Deferred[V]) SetErr(err error) {
+	d.err = err
+	close(d.done)
+}
+
 func New[V any]() *Deferred[V] {
 	return &Deferred[V]{
 		done: make(chan struct{}),

testing/testservice/ginkgo/helpers.go

@@ -25,7 +25,11 @@ func DeferNew(
 		go func() {
 			defer GinkgoRecover()
 
-			Expect(service.Start(context.Background())).To(Succeed())
+			err := service.Start(context.Background())
+			if err != nil {
+				d.SetErr(err)
+				Fail(err.Error())
+			}
 			d.SetValue(service)
 		}()