public void AddOrderShouldAdd()
{
//arrange
var options = new DbContextOptionsBuilder <SoilMatesContext>().UseInMemoryDatabase("AddOrderShoudAdd").Options;
using var testContext = new SoilMatesContext(options);
repo = new DBrepo(testContext);
//act
repo.AddOrder(testOrder);
//assert
using var assertContext = new SoilMatesContext(options);
Assert.NotNull(assertContext.Orders.SingleAsync(n => n.OrderId == testOrder.OrderId));
}
