add test coverage to PR comment

.github/workflows/test.yaml

@@ -62,23 +62,20 @@ jobs:
           git diff origin/develop --unified=0 > diff.txt
           grep '^@@' diff.txt | awk '{print $2}' > changed_lines.txt
 
-      - name: Extract untested new lines
-        id: untested_new_code
+      - name: Check for untested lines
+        id: check_coverage
         run: |
-          COVERAGE_FILE=coverage.txt
-          DIFF_FILE=changed_lines.txt
           UNTTESTED_LINES=""
-          
-          # Loop through the changed lines to find untested lines
-          while IFS= read -r LINE; do
-              LINE_NUM=$(echo "$LINE" | grep -oP '\d+')
-              UNTTESTED_LINE=$(grep -E "^ *$LINE_NUM " $COVERAGE_FILE | grep 'missed')
-              if [ -n "$UNTTESTED_LINE" ]; then
-                  UNTTESTED_LINES="$UNTTESTED_LINES\n$UNTTESTED_LINE"
+          while IFS= read -r line; do
+              line_number=$(echo $line | grep -oP '\d+')
+              coverage_info=$(grep -E "^ *$line_number " coverage.txt)
+              if [[ $coverage_info == *"missed"* ]]; then
+                  UNTTESTED_LINES="$UNTTESTED_LINES\nLine $line_number is not covered by tests."
               fi
-          done < $DIFF_FILE
-          
+          done < changed_lines.txt
           echo "UNTTESTED_LINES=$UNTTESTED_LINES" >> $GITHUB_ENV
+
+
       - name: Post coverage comment on PR
         uses: actions/github-script@v6
         with: