diff --git a/backend/internal/autoassignment/coverage9_test.go b/backend/internal/autoassignment/coverage9_test.go
index 6a8052cf..1305d2ae 100644
--- a/backend/internal/autoassignment/coverage9_test.go
+++ b/backend/internal/autoassignment/coverage9_test.go
@@ -60,8 +60,12 @@ func setupFullAAPostgresDB_Cov9(t *testing.T) (*gorm.DB, *redis.Client) {
 	schema := fmt.Sprintf("autoassignment_%d", time.Now().UnixNano())
 	require.NoError(t, admin.Exec("CREATE SCHEMA "+schema).Error)
 	t.Cleanup(func() {
-		_ = admin.Exec("DROP SCHEMA " + schema + " CASCADE").Error
-		_ = adminDB.Close()
+		if err := admin.Exec("DROP SCHEMA " + schema + " CASCADE").Error; err != nil {
+			t.Errorf("drop PostgreSQL test schema: %v", err)
+		}
+		if err := adminDB.Close(); err != nil {
+			t.Errorf("close PostgreSQL admin connection: %v", err)
+		}
 	})
 
 	if strings.HasPrefix(dsn, "postgres://") || strings.HasPrefix(dsn, "postgresql://") {