public void ShouldReturnOneDate() { var options = new DbContextOptionsBuilder <YogaAshramContext>().UseInMemoryDatabase(databaseName: Guid.NewGuid().ToString()).Options; var context = new YogaAshramContext(options); Seed(context); var query = new ClientServices(context); var result = query.DateIfFrozen(_date, 1); _testOutputHelper.WriteLine(result.ToString("d")); Assert.Equal(DateTime.Now.AddDays(1).Date, result.Date); }