public void CantAddPeripheralDevice()
{
using(EF_ZMT_DbContext.EF_ZMT_DbContext context = new EF_ZMT_DbContext.EF_ZMT_DbContext())
{
FixedAssetService transaction = new FixedAssetService();
context.Context.ExecuteStoreCommand("DELETE FROM PeripheralDevice");
PeripheralDevice device = new PeripheralDevice() { name = "printer" };
transaction.AddPeripheralDevice(device);
Assert.AreEqual(context.Context.PeripheralDevices.Count(), 1);
device = context.Context.PeripheralDevices.FirstOrDefault(x => x.name == "printer");
Assert.IsNotNull(device);
}
}