Add actual test time to xUnit result files (#270)
Add actual test time to xUnit result files (#270)

* Add actual test time to xUnit result files
Fixes #269

Signed-off-by: ruffsl <a5dcd3926c81eb1ee3adbb93ba7dae191323a4e0@gmail.com>

* Report test_time even with skipped test

Signed-off-by: ruffsl <a5dcd3926c81eb1ee3adbb93ba7dae191323a4e0@gmail.com>

* Set time attribute for testcase element

Signed-off-by: ruffsl <a5dcd3926c81eb1ee3adbb93ba7dae191323a4e0@gmail.com>
ament/ament_cmake,ament/ament_cmake,ament/ament_cmake