public void GetTenantIdsReturnsBlobNamesFromContainer()
        {
            var mockTenantBlobContainer = new Mock <IAzureBlobContainer <Tenant> >();
            var store = new TenantStore(mockTenantBlobContainer.Object, null);
            var blobs = new List <IListBlobItemWithName>()
            {
                new MockListBlobItem("b1"), new MockListBlobItem("b2")
            };

            mockTenantBlobContainer.Setup(c => c.GetBlobList()).Returns(blobs);

            var tenantIds = store.GetTenantIds().ToList();

            Assert.AreEqual(2, tenantIds.Count());
            CollectionAssert.Contains(tenantIds, "b1");
            CollectionAssert.Contains(tenantIds, "b2");
        }