Switch from Force Tags to Test Tags

Force Tags is deprecated in Robot 7.0 and will eventually
warn and then after that stop working. Test Tags performs
the same function per docs.

Change-Id: I7cf305754b247b995a05d8da3b9de9ed613ecae2
Signed-off-by: Matt Fischer <matthew.fischer@hpe.com>
diff --git a/extended/run_keyword.robot b/extended/run_keyword.robot
index 31253c7..c5caf45 100644
--- a/extended/run_keyword.robot
+++ b/extended/run_keyword.robot
@@ -32,7 +32,7 @@
 # NOTE: Robot searches PYTHONPATH for libraries.
 Library   run_keyword.py
 
-Force Tags  Run_Keyword_Pgm
+Test Tags  Run_Keyword_Pgm
 
 *** Variables ***
 # Initialize program parameters variables.