refactor: use SDK CleanProject for notification subscription cleanup

SDK commit 0b0f6e9b37d3 added CleanAllNotificationSubscriptionsRequest()
wired into CleanProject(). Remove the duplicate cleanNotificationSubscriptions
method from testproject/project.go in favor of the SDK implementation.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Matovidlo

go.mod

@@ -43,7 +43,7 @@ require (
 	github.com/json-iterator/go v1.1.12
 	github.com/keboola/go-cloud-encrypt v0.0.0-20250422071622-41a5d5547c43
 	github.com/keboola/go-utils v1.4.0
-	github.com/keboola/keboola-sdk-go/v2 v2.12.1-0.20260223100110-432345f77343
+	github.com/keboola/keboola-sdk-go/v2 v2.12.1-0.20260224141819-0b0f6e9b37d3
 	github.com/klauspost/compress v1.18.4
 	github.com/klauspost/pgzip v1.2.6
 	github.com/kylelemons/godebug v1.1.0

go.sum

@@ -591,6 +591,8 @@ github.com/keboola/go-utils v1.4.0 h1:WTyj95yrr8O8HxtC8TSTyUcElZiRGDeEdVvDpFo6HU
 github.com/keboola/go-utils v1.4.0/go.mod h1:IopwJzFz2gh0Yj3fUbIe2eamRoDKzbXvjqFjQyw3ZdQ=
 github.com/keboola/keboola-sdk-go/v2 v2.12.1-0.20260223100110-432345f77343 h1:xcHtXh3n6F2f3nBqGf+/AwdEKV06zAXXYlKZwVcOgI8=
 github.com/keboola/keboola-sdk-go/v2 v2.12.1-0.20260223100110-432345f77343/go.mod h1:N/PkJnEHcyHMbVjHPjTdQwj5b9Iajl7PEaFUVtywHKU=
+github.com/keboola/keboola-sdk-go/v2 v2.12.1-0.20260224141819-0b0f6e9b37d3 h1:cM+iINgvPYtdeFtbaVRLMZBxpzu9gAp2VPuY2nFg740=
+github.com/keboola/keboola-sdk-go/v2 v2.12.1-0.20260224141819-0b0f6e9b37d3/go.mod h1:N/PkJnEHcyHMbVjHPjTdQwj5b9Iajl7PEaFUVtywHKU=
 github.com/keybase/go-keychain v0.0.1 h1:way+bWYa6lDppZoZcgMbYsvC7GxljxrskdNInRtuthU=
 github.com/keybase/go-keychain v0.0.1/go.mod h1:PdEILRW3i9D8JcdM+FmY6RwkHGnhHxXwkPPMeUgOK1k=
 github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=

internal/pkg/utils/testproject/project.go

@@ -163,11 +163,6 @@ func (p *Project) Clean() error {
 	ctx, cancel := context.WithTimeoutCause(context.Background(), 5*time.Minute, errors.New("project clean timeout"))
 	defer cancel()
 
-	// Clean notification subscriptions first
-	if err := p.cleanNotificationSubscriptions(ctx); err != nil {
-		return errors.Errorf(`cannot clean notification subscriptions in project "%d": %w`, p.ID(), err)
-	}
-
 	// Clean whole project - configs, buckets, schedules, sandbox instances, etc.
 	if err := keboola.CleanProject(ctx, p.keboolaProjectAPI); err != nil {
 		return errors.Errorf(`cannot clean project "%d": %w`, p.ID(), err)
@@ -188,49 +183,6 @@ func (p *Project) Clean() error {
 	return nil
 }
 
-func (p *Project) cleanNotificationSubscriptions(ctx context.Context) error {
-	// List all existing notification subscriptions and delete them all.
-	// This ensures a clean state regardless of what previous tests may have left behind.
-	subs, err := p.keboolaProjectAPI.ListNotificationSubscriptionsRequest().Send(ctx)
-	if err != nil {
-		// Silently skip if notification service is not available
-		return nil //nolint:nilerr
-	}
-
-	allIDs := make([]keboola.NotificationSubscriptionID, 0, len(*subs))
-	for _, sub := range *subs {
-		allIDs = append(allIDs, sub.ID)
-	}
-
-	if len(allIDs) == 0 {
-		return nil
-	}
-
-	p.logf("▶ Cleaning %d notification subscription(s)...", len(allIDs))
-
-	wg := &sync.WaitGroup{}
-	errs := errors.NewMultiError()
-
-	for _, notificationID := range allIDs {
-		id := notificationID
-		wg.Go(func() {
-			key := keboola.NotificationSubscriptionKey{ID: id}
-			if _, err := p.keboolaProjectAPI.DeleteNotificationSubscriptionRequest(key).Send(ctx); err != nil {
-				errs.Append(errors.Errorf("could not delete notification subscription \"%s\": %w", id, err))
-			} else {
-				p.logf("✔️ Deleted notification subscription \"%s\".", id)
-			}
-		})
-	}
-
-	wg.Wait()
-	if errs.Len() > 0 {
-		return errs
-	}
-
-	p.logf("✔️ Cleaned %d notification subscription(s).", len(allIDs))
-	return nil
-}
 
 func (p *Project) SetState(ctx context.Context, fs filesystem.Fs, projectStateFile string) error {
 	if p.stateFilePath != "" {