public class SettingsViewEngine : RazorViewEngine
{
    public SettingsViewEngine()
    {
        //if I commit this nothing changes
        MasterLocationFormats = new[]
        {
            "~/bin/Views/{1}/{0}.cshtml",
            "~/bin/Views/Shared/{0}.cshtml"
        };

        ViewLocationFormats = new[]
        {
            "~/bin/Views/{1}/{0}.cshtml", //if I commit this line it starts look at
                                          //at shared folder.Looks like only first
                                          //line of ViewLocationFormats  array used always.
            "~/bin/Views/Shared/{0}.cshtml"
        };
    }
}

"~/bin/Views/MyLayout.cshtml"