suppress check error on get

tools/kubernetes.go

@@ -212,10 +212,7 @@ func (k *KubernetesService) CreateRoleBinding(ctx context.Context, ns string, ro
 // namespace: namespace, service-account, role and role-binding. Idempotent — if
 // the namespace already exists the call is a no-op.
 func (k *KubernetesService) ProvisionExecutionNamespace(ctx context.Context, ns string) error {
-	existing, err := k.GetNamespace(ctx, ns)
-	if err != nil {
-		return err
-	}
+	existing, _ := k.GetNamespace(ctx, ns)
 	if existing != nil {
 		return nil
 	}