Comment screenshots link of failed tests directly

test/gui/drone/comment.sh

@@ -13,7 +13,7 @@ else
     echo "creating comment for GUI log"
     # if there is index.html generated by squishrunner then create a comment indicating link of GUI result
     if [[ -f $1/index.html ]]; then
-        echo ":boom: The GUI tests failed."
+        echo ":boom: The GUI tests failed." >> $1/comments.file
         echo "GUI Logs: (${CACHE_ENDPOINT}/${CACHE_BUCKET}/$2/$3/guiReportUpload/index.html)" >> $1/comments.file
     fi
 
@@ -25,7 +25,9 @@ else
 
     if ! [[ $(find $1/screenshots -maxdepth 0 -empty) ]]; then
         echo "creating comment for screenshots"
-        echo $(ls $1/screenshots)
-        echo "Screenshots: (${CACHE_ENDPOINT}/${CACHE_BUCKET}/$2/$3/guiReportUpload/screenshots)" >> $1/comments.file
+        echo "Screenshots:" >> $1/comments.file 
+        for i in $(ls $1/screenshots); do
+            echo "- [$i](${CACHE_ENDPOINT}/${CACHE_BUCKET}/$2/$3/guiReportUpload/screenshots/$i)" >> $1/comments.file
+        done
     fi
 fi