Simplify PR branch deletion by using URL directly with gh pr view

Author: Copilot

.github/workflows/test.yml

@@ -109,8 +109,7 @@ jobs:
             | while read -r URL; do
                 if [[ "$URL" == *"/pull/"* ]]; then
                   echo "Closing pull request: $URL"
-                  PR_NUMBER="${URL##*/}"
-                  branch="$(gh pr view "$PR_NUMBER" --repo github/accessibility-scanner-testing --json headRefName -q .headRefName)" || true
+                  branch="$(gh pr view "$URL" --json headRefName -q .headRefName)" || true
                   gh pr close "$URL" || echo "Failed to close pull request: $URL"
                   if [[ -n "$branch" ]]; then
                     echo "Deleting branch: $branch"