talker_listener_launch_test example is broken #97
Description
Trying to run this launch test:
python3 -m launch_testing.launch_test src/ros2/launch_ros/launch_testing_ros/test/examples/talker_listener_launch_test.py
Yields:
Traceback (most recent call last):
File "src/ros2/launch_ros/launch_testing_ros/test/examples/talker_listener_launch_test.py", line 72, in test_talker_transmits
node = launch_context.locals.launch_ros_node
File "build/launch/launch/launch_context.py", line 137, in __getattr__
', '.join(_dict.keys())
AttributeError: context.locals does not contain attribute 'launch_ros_node', it contains: []