anchor.diff:      await collection.insert({"my_field": n, "str_field": "str_$n"});
     }
   
  -  var result = await collection.find(where.gt("my_field", 5).sortBy('my_field'))
  +  var result = await collection
  +      .find(where.gt("my_field", 5).sortBy('my_field'))
         .toList();
     expect(result.length, 4);
     expect(result[0]['my_field'], 6);
  
positive.code:       .find({'value': 'value_modified_for_only_one_with_default'}).toList();
    expect(results.length, 1);
  
    result = await collection.update(
        where.eq('key', 'a'),
        modify.set(
            'value', 'value_modified_for_only_one_with_multiupdate_false'),
        multiUpdate: false);
    expect(result['updatedExisting'], true);
    expect(result['n'], 1);
  
negative.code:     {"name": "Nick", "score": 5}
    ]);
  
    var result =
        await collection.findOne(where.eq('name', 'Vadim').fields(['score']));
  
    expect(result['name'], isNull);
    expect(result['score'], 4);
  