Added pretest to regionsegmentationsoln.

Author: WynterJ

Scripts/RegionSegmentation.mlx

@@ -2,4 +2,4 @@
 % ---- Known Issues     -----
 KnownIssuesID = "";
 % ---- Pre-run commands -----
- 
+ imageSegmenter = @(x)disp("Open Image Segmenter App");