Improve rcl init test coverage. (#684)
Improve rcl init test coverage. (#684)

* Improve rcl init test coverage.

Signed-off-by: Michel Hidalgo <2c7f9fd20fbeb41ce8894ec4653d66fa7f3b6e1a@ekumenlabs.com>

* Address peer review comments.

Signed-off-by: Michel Hidalgo <2c7f9fd20fbeb41ce8894ec4653d66fa7f3b6e1a@ekumenlabs.com>
ros2/rcl,ros2/rcl