Add support for UR18 (backport #118) (#119)

Author: mergify[bot]

ur_simulation_gz/launch/ur_sim_control.launch.py

@@ -227,6 +227,7 @@ def generate_launch_description():
                 "ur16e",
                 "ur8long",
                 "ur15",
+                "ur18",
                 "ur20",
                 "ur30",
             ],

ur_simulation_gz/launch/ur_sim_moveit.launch.py

@@ -108,6 +108,7 @@ def generate_launch_description():
                 "ur16e",
                 "ur8long",
                 "ur15",
+                "ur18",
                 "ur20",
                 "ur30",
             ],

ur_simulation_gz/test/test_gz.py

@@ -74,7 +74,7 @@
 # might change, once the gz launch system migration is done using gzserver and such....
 # @launch_testing.parametrize(
 # "ur_type",
-# ["ur3", "ur5", "ur10", "ur3e", "ur5e", "ur7e", "ur10e", "ur12e", "ur16e", "ur8long", "ur15", "ur20", "ur30"],
+# ["ur3", "ur3e", "ur5", "ur5e", "ur7e", "ur10", "ur10e", "ur12e", "ur16e", "ur8long", "ur15", "ur18", "ur20", "ur30"],
 # )
 @pytest.mark.launch_test
 def generate_test_description():