Add a timeout when deleting a namespace

This typically finish in less than 10 seconds. If it does not complete
in 60 seconds it needs manual intervention so lets fail fast.

Signed-off-by: Nir Soffer <nsoffer@redhat.com>

e2e/util/crud.go

@@ -5,6 +5,7 @@ package util
 
 import (
 	"context"
+	"fmt"
 	"time"
 
 	"k8s.io/apimachinery/pkg/api/errors"
@@ -55,11 +56,11 @@ func DeleteNamespace(client client.Client, namespace string) error {
 	}
 
 	Ctx.Log.Info("waiting until namespace " + namespace + " is deleted")
+
+	startTime := time.Now()
 	key := types.NamespacedName{Name: namespace}
 
 	for {
-		time.Sleep(time.Second)
-
 		if err := client.Get(context.Background(), key, ns); err != nil {
 			if !errors.IsNotFound(err) {
 				return err
@@ -69,6 +70,12 @@ func DeleteNamespace(client client.Client, namespace string) error {
 
 			return nil
 		}
+
+		if time.Since(startTime) > 60*time.Second {
+			return fmt.Errorf("timeout deleting namespace %q", namespace)
+		}
+
+		time.Sleep(time.Second)
 	}
 }