public void TestGroupBy()
{
DataQueryBuilder qb = DataQueryBuilder.Create();
qb.AddAllProperties();
qb.AddGroupBy("Percentage");
IList <Dictionary <String, Object> > res = Backendless.Data.Of("CountryLanguage").Find(qb);
foreach (Dictionary <String, Object> entry in res)
{
Assert.IsTrue(entry.ContainsKey("Percentage"));
}
}
