protected override IMvcFunctionalTestFixture GivenSetup(IMvcFunctionalTestFixture fixture) => fixture .HavingFake(f => f.Date.Timespan(), out var futureOffset) .HavingProperty(FutureOffset, futureOffset) .HavingConfiguration(b => b.AddInMemoryCollection(new Dictionary <string, string> { [FutureOffset] = futureOffset.ToString() }));