public async Task LoginTo_Success()
{
//Arrange
authService.Setup(x => x.LoginTo(user.Login, user.Password)).Returns(Task.FromResult(true));
//Act
await vm.LoginTo(user);
//Assert
navigateService.Verify(x => x.Navigate <HomePage>(), Times.Once);
}
public override async void Execute(object parameter)
{
await viewModel.LoginTo((User)parameter);
}