public class MyContainerEnabledTests:IClassFixture<ContainerFixture>
{
    private ServiceProvider _serviceProvider;

    public MyContainerEnabledTests(ContainerFixture fixture)
    {
        _serviceProvider = fixture.ServiceProvider;
    }

    [Fact]
    public void Test1()
    {
        var dependency=_serviceProvider.GetService<MyDependency>();
    }
}