public void TestUnRegisterResourceHandler()
{
FhirResourceHandlerUtil.RegisterResourceHandler(new DummyResourceHandler());
Assert.NotNull(FhirResourceHandlerUtil.GetResourceHandler(ResourceType.DomainResource));
Assert.IsInstanceOf <DummyResourceHandler>(FhirResourceHandlerUtil.GetResourceHandler(ResourceType.DomainResource));
FhirResourceHandlerUtil.UnRegisterResourceHandler(new DummyResourceHandler());
Assert.IsFalse(FhirResourceHandlerUtil.ResourceHandlers.Any(c => c.GetType() == typeof(DummyResourceHandler)));
Assert.Throws <NotSupportedException>(() => FhirResourceHandlerUtil.GetResourceHandler(ResourceType.DomainResource));
}
