refactor(visualizer): cleaned out test file

Author: ashblue

Assets/FluidBehaviorTree/Runtime/BehaviorTreeSerializationTestDeleteMe.cs

@@ -4,7 +4,9 @@ public abstract class GenericTaskBase {
         protected const string PACKAGE_ROOT = "ROOT/Editor/Icons/Tasks";
 
         /// <summary>
-        /// For custom project icons provide a path from assets to a Texture2D asset. Example `Assets/MyIcon.png`
+        /// For custom project icons provide a path from assets to a Texture2D asset. Example `Assets/MyIcon.png`.
+        /// Be sure to NOT include the keyword `ROOT` in your path name. This will be replaced with a path
+        /// to the package root for Fluid Behavior Tree.
         /// </summary>
         public virtual string IconPath => $"{PACKAGE_ROOT}/Play.png";
         public virtual float IconPadding { get; }