Added rmw_wait, rmw_create_wait_set, and rmw_destroy_wait_set tests (#139)

Signed-off-by: ahcorde <[email protected]>
Co-authored-by: Michel Hidalgo <[email protected]>

Author: ahcorde

test_rmw_implementation/CMakeLists.txt

@@ -109,6 +109,16 @@ if(BUILD_TESTING)
       rmw rmw_implementation
     )
 
+    ament_add_gtest(test_wait_set${target_suffix}
+      test/test_wait_set.cpp
+      ENV ${rmw_implementation_env_var}
+    )
+    target_compile_definitions(test_wait_set${target_suffix}
+      PUBLIC "RMW_IMPLEMENTATION=${rmw_implementation}")
+    ament_target_dependencies(test_wait_set${target_suffix}
+      rmw rmw_implementation rcutils osrf_testing_tools_cpp test_msgs
+    )
+
     ament_add_gtest(test_graph_api${target_suffix}
       test/test_graph_api.cpp
       ENV ${rmw_implementation_env_var}