[PATCH rtems-docs] eng/tester.rst: Reference User Manual for rtems-test

[Joel Sherrill]

This was just a TBD section of no value before.
---
 eng/tester.rst | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/eng/tester.rst b/eng/tester.rst
index a538caf..5b57842 100644
--- a/eng/tester.rst
+++ b/eng/tester.rst
@@ -1,12 +1,17 @@
 .. SPDX-License-Identifier: CC-BY-SA-4.0
 
-.. Copyright (C) 2018.
+.. Copyright (C) 2018, 2022.
 .. COMMENT: RTEMS Foundation, The RTEMS Documentation Project
 
 RTEMS Tester
 ************
 
-TBD  - Convert the following to Rest and insert into this file
-TBD  https://devel.rtems.org/wiki/Testing/Tester
-TBD - Above file is horribly out of date. Find new docs and refer to them
+The RTEMS Tester is a test tool which provides a command line interface and
+automates execution of test executables. It is part of the `rtems-tools`
+repository and built as part of the RTEMS Tools for all targets by the
+RTEMS Source Builder. The RTEMS Tester can be configured to test based
+on local lab setup or to test on custom boards.
+
+The RTEMS Tester is documented the `RTEMS Tester and Run` section of the 
+`RTEMS User Manual`.
 
-- 
1.8.3.1