internal void ExecuteSetupFixture()
        {
            if (OnSetupFixtures == null)
            {
                return;
            }

            using var scope = ServiceProvider.CreateScope();
            Task.WhenAll(OnSetupFixtures
                         .GetInvocationList()
                         .Cast <SetupFixtureHandler>()
                         .Select(handler => handler(scope.ServiceProvider)))
            .Wait();
        }
 internal void ExecuteSetupFixture()
 {
     using var scope = ServiceProvider.CreateScope();
     OnSetupFixtures?.Invoke(scope.ServiceProvider).Wait();
 }