4.21. update text.tests For https://git.eclipse.org/r/c/platform/eclipse.platform.text/+/179071 Change-Id: I961fdfa67522bcb8a3f5e4b929276e952db9befb Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.text/+/182588 Tested-by: Platform Bot <platform-bot@eclipse.org> Reviewed-by: Lars Vogel <Lars.Vogel@vogella.com>