[current_results_ui] Use 'test-experiment' instead of 'triple-shift' in example
[current_results_ui] Use 'test-experiment' instead of 'triple-shift' in example

Change-Id: I441e7ffe7904a4c9f007106e2496efccb5dbbe98
Reviewed-on: https://dart-review.googlesource.com/c/dart_ci/+/199242
Commit-Queue: Karl Klose <49bc0b76cffb0b10cd8c84f9cabc97a31ffe6343@google.com>
Reviewed-by: Alexander Thomas <29642742b6693024c89de8232f2e2542cf7eedf7@google.com>

dart-lang/dart_ci,dart-lang/dart_ci,dart-lang/dart_ci,dart-lang/dart_ci