Lane planner test is flaky
Description
Launch test of lane_planner_nodes
can fail, see #1031 (closed)
How to Reproduce
colcon test lane_planner_nodes
Current Behavior
In case of failure.
[INFO] [lane_planner_node_exe-1]: process started with pid [3772]
[INFO] [lane_planner_node_exe-1]: sending signal 'SIGINT' to process[lane_planner_node_exe-1]
[ERROR] [lane_planner_node_exe-1]: process has died [pid 3772, exit code -2, cmd '/home/mclement/AutoDev/install/lane_planner_nodes/lib/lane_planner_nodes/lane_planner_node_exe --ros-args -r __node:=lane_planner --params-file /home/mclement/AutoDev/install/lane_planner_nodes/share/lane_planner_nodes/param/test.param.yaml'].
test_exit_code (lane_planner_nodes.TestProcessOutput) ... FAIL
In case of success.
[INFO] [lane_planner_node_exe-1]: process started with pid [3741]
[lane_planner_node_exe-1] 1629869532.300038 [1] lane_plann: using network interface enp10s0 (udp/192.168.10.26) selected arbitrarily from: enp10s0, docker0
[lane_planner_node_exe-1] [INFO] [1629869533.305942117] [lane_planner]: Waiting for map service...
[lane_planner_node_exe-1] [INFO] [1629869534.306238404] [lane_planner]: Waiting for map service...
[lane_planner_node_exe-1] [INFO] [1629869535.306428371] [lane_planner]: Waiting for map service...
[lane_planner_node_exe-1] [INFO] [1629869536.306635658] [lane_planner]: Waiting for map service...
[ERROR] [lane_planner_node_exe-1]: process[lane_planner_node_exe-1] failed to terminate '5' seconds after receiving 'SIGINT', escalating to 'SIGTERM'
[INFO] [lane_planner_node_exe-1]: sending signal 'SIGTERM' to process[lane_planner_node_exe-1]
[ERROR] [lane_planner_node_exe-1]: process has died [pid 3741, exit code -15, cmd '/home/mclement/AutoDev/install/lane_planner_nodes/lib/lane_planner_nodes/lane_planner_node_exe --ros-args -r __node:=lane_planner --params-file /home/mclement/AutoDev/install/lane_planner_nodes/share/lane_planner_nodes/param/test.param.yaml'].
test_exit_code (lane_planner_nodes.TestProcessOutput) ... ok
Expected behavior
The failure case should never occur.