public void Block_SingleHose_BlocksHose()
{
_mockIO.Setup(c => c.SendAndReceive(CompanyCommands.BlockHose, "04")).Verifiable();
var forecourt = new Company(_mockIO.Object);
forecourt.Block(new Hose(1));
forecourt.Dispose();
_mockIO.Verify(c => c.SendAndReceive(CompanyCommands.BlockHose, "04"));
}