public async Task CheckChangeAdmingeAsync(string newInCharge, string areaId, string possibleroleid)
{
Account newAccount = await accountProvider.GetById(newInCharge);
Area area = await areaProvider.GetByIdAsync(areaId);
PossibleRole possibleRole = await possibleRoleProvider.GetByIdAsync(possibleroleid);
Role newRole = new Role {
Context = area, Account = newAccount, DefaultRole = possibleRole
};
var changed = await roleProvider.ChangeInChargeAccountsAsync(newRole);
Assert.IsType <Role>(changed);
Assert.True(await roleProvider.RemoveRoleCreated(changed.Id));
Assert.True(await roleProvider.ReviveRoleDeleted("139"));
}