public async Task throws_when_command_aggregate_has_empty_id(DeleteCalendarItemCycleCommand command)
{
command.AggregateId = Guid.Empty;
var exception = await Record.ExceptionAsync(() => act(command));
exception.ShouldBeOfType(typeof(AwesomeCalendarException));
Assert.Equal(((AwesomeCalendarException)exception).Type, AwesomeCalendarExceptionType.InvalidCommand);
}
async Task act(DeleteCalendarItemCycleCommand command)
{
await DeleteCommandHandler.HandleAsync(command);
}