Add basically test for 3 databases

scripts/util/sleep.js

@@ -0,0 +1,24 @@
+/*
+ * server component for the TimeLimit App
+ * Copyright (C) 2019 - 2021 Jonas Lochmann
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+function sleep(delay) {
+  return new Promise((resolve, reject) => {
+    setTimeout(() => resolve(), delay)
+  })
+}
+
+module.exports = { sleep }