public void CanInsertRemoveImageProviders()
{
var services = new ServiceCollection();
IImageSharpBuilder builder = services.AddImageSharp();
builder.InsertProvider <MockImageProvider>(0);
Assert.Single(services, IsService <IImageProvider, MockImageProvider>);
Assert.Single(services, IsServiceImplementationType <IImageProvider, MockImageProvider>);
IReadOnlyList <ServiceDescriptor> providers = GetCollection <IImageProvider>(services);
Assert.Equal(2, providers.Count);
Assert.True(IsService <IImageProvider, MockImageProvider>(providers[0]));
builder.RemoveProvider <MockImageProvider>();
Assert.DoesNotContain(services, IsService <IImageProvider, MockImageProvider>);
}
