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/redfish/dmtf_tools/test_redfishtool_certificate.robot b/redfish/dmtf_tools/test_redfishtool_certificate.robot
index 3437a3e..bd59cf4 100644
--- a/redfish/dmtf_tools/test_redfishtool_certificate.robot
+++ b/redfish/dmtf_tools/test_redfishtool_certificate.robot
@@ -16,7 +16,7 @@
 
 Suite Setup       Suite Setup Execution
 
-Force Tags        Redfishtool_Certificate
+Test Tags        Redfishtool_Certificate
 
 *** Variables ***
 
diff --git a/redfish/dmtf_tools/test_redfishtool_general.robot b/redfish/dmtf_tools/test_redfishtool_general.robot
index 5d0dbe9..57fa693 100644
--- a/redfish/dmtf_tools/test_redfishtool_general.robot
+++ b/redfish/dmtf_tools/test_redfishtool_general.robot
@@ -15,7 +15,7 @@
 
 Suite Setup       Suite Setup Execution
 
-Force Tags        Redfishtool_General
+Test Tags        Redfishtool_General
 
 *** Variables ***
 
diff --git a/redfish/dmtf_tools/test_redfishtool_local_user.robot b/redfish/dmtf_tools/test_redfishtool_local_user.robot
index 6e380cd..e00e4d3 100644
--- a/redfish/dmtf_tools/test_redfishtool_local_user.robot
+++ b/redfish/dmtf_tools/test_redfishtool_local_user.robot
@@ -15,7 +15,7 @@
 
 Suite Setup       Suite Setup Execution
 
-Force Tags        Redfishtool_Local_User
+Test Tags        Redfishtool_Local_User
 
 *** Variables ***