anchor.diff:  }
   
   Future testSkip() async {
  -  for (int n = 0; n < 600; n++) {
  -    await collection.insert({"a": n});
  -  }
  +  await insertManyDocuments(collection, 600);
   
     var result = await collection.findOne(where.sortBy('a').skip(300));
   
  
positive.code:     test('testGetNonce', testGetNonce);
      test('getBuildInfo', getBuildInfo);
      test('testIsMaster', testIsMaster);
    });
  
    group('DbCollection tests:', () {
      setUp(() async {
  
negative.code: }
  
  Future testCursorWithOpenServerCursor() async {
    await insertManyDocuments(collection, 1000);
    var cursor = new Cursor(db, collection, where.limit(10));
  
    await cursor.nextObject();
  