public void SetPrice_SingleHoseAndSomeValue_SetsHosePriceWithSpecifiedValue()
{
_mockIO.Setup(c => c.SendAndReceive(CompanyCommands.SetPrice, "04", "3784")).Verifiable();
var forecourt = new Company(_mockIO.Object);
forecourt.SetPrice(new Hose(1), 3.784);
forecourt.Dispose();
_mockIO.Verify(c => c.SendAndReceive(CompanyCommands.SetPrice, "04", "3784"));
}