public void FindVehicleTest()
{
Mock <IVehicle> mock = new Mock <IVehicle>();
mock.Setup(v => v.LicensePlate).Returns("VT2002VT");
VehicleParkCommands testObject = new VehicleParkCommands();
//If the owner is not given
var result = testObject.FindVehicle("VT2002VT", new List <Mock <IVehicle> >()
{
mock
});
Assert.AreEqual(result, "VT2002VT");
}