Add tests for rcl package (#668)

* Add tests for node_options usage
* Add tests for copying options arguments
* Add bad argument tests for wait sets
* Add tests for wait_set_get_allocator function
* Add test for rcl_take_response function
* Change take_request to match take_response without info
* Change specific test for sequence_number
* Add tests for client take failed
* Remove tests already done in nominal setup
* Add bad arguments tests
* Add test for init returning BAD_ALLOC
* Add test for client get_options
* Add test for already init client
* Add bad argument tests
* Add basic test get_default_domain_id
* Add test for rmw to rcl return code function
* Add test for get_localhost_only
* Add tests for localhost expected usage
* Address peer review comments
* Add test for env variable leading to ULONG_MAX
* Change return values to enum in test
* Fix rcl_get_localhost_only return value
* Address peer review comments
* Add unexpected value to get_localhost
* Add reset_rcl_error after expected fails

Signed-off-by: Jorge Perez <jjperez@ekumenlabs.com>