Fix test for cluster setup

Author: mpv1989

src/test/10-manipulating-collections.ts

@@ -4,7 +4,10 @@ import { expect } from "chai";
 
 const ARANGO_VERSION = Number(process.env.ARANGO_VERSION || 30000);
 
-describe("Manipulating collections", () => {
+describe("Manipulating collections", function() {
+  // create database takes 11s in a standard cluster
+  this.timeout(20000);
+
   let name = `testdb_${Date.now()}`;
   let db: Database;
   let collection: DocumentCollection;