force failure 3 vs 2

.github/workflows/phpcs.yml

@@ -67,7 +67,7 @@ jobs:
         run: |
           # There is one failure (exit with error 2, because some are fixable).
           vendor/bin/phpcs --standard=moodle moodle/Tests/fixtures/integration_test_ci.php | tee output.txt
-          [[ "${PIPESTATUS[0]}" = 2 ]] || echo "Error: Expected 2, got ${PIPESTATUS[0]}"
+          [[ "${PIPESTATUS[0]}" = 3 ]] || echo "Error: Expected 3, got ${PIPESTATUS[0]}"
           grep -q  "PHPCBF CAN FIX THE 1 MARKED SNIFF VIOLATIONS AUTOMATICALLY" output.txt
 
           # The failure is fixed (exit with error 1, because all fixable ones were fixed).