public async Task GetBeneficiaries_Return_All_Beneficiaries()
{
var beneficiaries = await beneficiaryDataService.GetAllBeneficiaries();
Assert.AreEqual(3, beneficiaries.Count);
}
internal async Task LoadBeneficiaries()
{
Beneficiaries = (await _beneficiaryDataService.GetAllBeneficiaries()).ToObservableCollection();
}