Update .github/workflows/pr_test.yaml

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

.github/workflows/pr_test.yaml

@@ -9,7 +9,7 @@ on:
 
 jobs:
   check-comment:
-    if: ${{ github.event_name == 'issue_comment' && (github.event.comment.body == 'run tests' || github.event.comment.body == 'run test') && github.event.issue.pull_request }}
+    if: ${{ github.event_name == 'issue_comment' && (github.event.comment.body.toLowerCase() == 'run tests' || github.event.comment.body.toLowerCase() == 'run test') && github.event.issue.pull_request }}
     runs-on: self-hosted
     outputs:
       should_run: ${{ steps.check.outputs.should_run }}