public async void GetAllAsync_ReturnsAllFromContext()
        {
            var expectedFacilitys = FacilityGenerator.CreateList();

            using (var context = new booking_facilitiesContext(contextOptions))
            {
                context.Database.EnsureCreated();
                context.Facility.AddRange(expectedFacilitys);
                context.SaveChanges();

                Assert.Equal(expectedFacilitys.Count, await context.Facility.CountAsync());

                var repository = new FacilityRepository(context);
                var resources  = repository.GetAllAsync();

                Assert.IsAssignableFrom <IQueryable <Facility> >(resources);
                Assert.Equal(expectedFacilitys, resources);
            }
        }