update regex to prevent false positives in test output

Author: siltomato

.github/workflows/build-and-test.yml

@@ -108,7 +108,7 @@ jobs:
           set -euo pipefail
           cd src/SIL.XForge.Scripture/ClientApp
           npm run test:gha | tee test_output.log
-          if grep --perl-regex 'NG\d+|ERROR:|WARN:|LOG:|INFO:' test_output.log; then
+          if grep --perl-regex '\bNG\d+\b|ERROR:|WARN:|LOG:|INFO:' test_output.log; then
             echo "Error: Disallowed token found in test run output, as shown above.";
             exit 1;
           fi