public override InMemoryTestStore CreateTestStore()
 => InMemoryTestStore.CreateScratch(
     _serviceProvider,
     nameof(GraphUpdatesInMemoryFixture),
     () =>
 {
     using (var context = CreateContext(null))
     {
         Seed(context);
     }
 });
 public override InMemoryTestStore CreateTestStore()
 => InMemoryTestStore.CreateScratch(
     _serviceProvider,
     nameof(FindInMemoryFixture),
     () =>
 {
     using (var context = new FindContext(_options))
     {
         Seed(context);
     }
 });