Remove exceptions for rmw_connext_cpp tests. (#903)
Remove exceptions for rmw_connext_cpp tests. (#903)

* Remove exceptions for rmw_connext_cpp tests.

Signed-off-by: Chris Lalancette <281cd07d7578d97c83271fbbf2faddb83ab3791c@openrobotics.org>
ros2/rcl,ros2/rcl