Controller:

    public class ExampleController : Controller
    {
        private readonly ISitecoreContext _sitecoreContext;

        public ExampleController ()
        {
            
        }     

        [System.Web.Http.HttpGet]
        // GET: Manifest
        public JsonResult Test()
        {
            return Json("test");         
        }
    }

Register Route Pipeline:

    public class RegisterTestApiRoute
    {
        public virtual void Process(PipelineArgs args)
        {
            RouteTable.Routes.MapHttpRoute(
                "testApi",
                "api/testing/{controller}/{action}"
            );
        }
    }


Patching route in config:

    
    <pipelines>
      <initialize>
        <processor type="TestProject.Pipelines.RegisterTestApiRoute, TestProject" patch:before="processor[@type='Sitecore.Mvc.Pipelines.Loader.InitializeRoutes, Sitecore.Mvc']" />
      </initialize>
    </pipelines>


With all above in place the following default Sitecore webapi route works fine:

    http://localsitecore/api/sitecore/example/test

but my custom route

    http://localsitecore/api/testing/example/test

returns below error:

 > {"Message":"No HTTP resource was found that matches the request URI 'http://localsitecore/api/testing/example/test'.","MessageDetail":"No type was found that matches the controller named 'example'."}


I'm not sure why controller is not found, in a properly compiled code, I've tried below:

 - Restarted IIS 
 - killed worker processes 
 - cleared Visual Studio temp files

No luck..

even browsed my project dll with reflector, the controller exists..

Am I missing anything here...?