cmake ament_cmake_gtest examples

ZhenshengLee/ros2_shm_msgs test/CMakeLists.txt :1 

find_package(ament_cmake_gtest REQUIRED)

BehaviorTree/BehaviorTree.CPP tests/CMakeLists.txt :39 

find_package(ament_cmake_gtest REQUIRED)

eProsima/Fast-CDR cmake/common/find_or_add_gtest.cmake :25 

find_package(ament_cmake_gtest REQUIRED)

septentrio-gnss/septentrio_gnss_driver CMakeLists.txt :280 

find_package(ament_cmake_gtest REQUIRED)