fix wait_for_message for custom ros contexts

[rahatchd]

Description

• use the context passed in to wait_for_message to construct wait set
  • this lets users use wait_for_message with custom ros context
• add unit test for custom ros context

Fixes #3020

Is this user-facing behavior change?

• users are able to use custom ros context with wait_for_message
• previously users have to use global default context

Did you use Generative AI?

no

Additional Information

[fujitatomoya]

thanks for the fix, i think this is inconsistent bug to manage context.

lgtm with green CI.

[fujitatomoya]

@rahatchd can you fix DCO error?

[fujitatomoya]

Pulls: #3021
Gist: https://gist.githubusercontent.com/fujitatomoya/bae49577c927add9219975134a799d91/raw/aced9d55325344995a5492734267fe3ea318d8cf/ros2.repos
BUILD args: --packages-above-and-dependencies rclcpp
TEST args: --packages-above rclcpp
ROS Distro: rolling
Job: ci_launcher
ci_launcher ran: https://ci.ros2.org/job/ci_launcher/18005

• Linux
• Linux-aarch64
• Linux-rhel
• Windows

[ahcorde]

https://github.com/Mergifyio backport kilted jazzy humble

[mergify]

backport kilted jazzy humble

✅ Backports have been created

Details

• #3025 fix wait_for_message for custom ros contexts (backport #3021) has been created for branch kilted
• #3026 fix wait_for_message for custom ros contexts (backport #3021) has been created for branch jazzy
• #3027 fix wait_for_message for custom ros contexts (backport #3021) has been created for branch humble