public async Task AddOrganization() { // Arrange var org = CreateAgincourtAwareness(); var orgModel = ToEditModel_Organization(org); // Act var handler = new EditOrganizationHandler(Context); var id = await handler.Handle(new EditOrganization { Organization = orgModel }); var fetchedOrg = Context.Organizations.First(t => t.Id == id); // Assert Assert.Single(Context.Organizations.Where(t => t.Id == id)); Assert.Equal(Context.Entry(fetchedOrg).State, Microsoft.EntityFrameworkCore.EntityState.Unchanged); }