Actually install dependencies

.github/workflows/python-package.yaml

@@ -30,18 +30,22 @@ jobs:
         run: |
           apt-get update -q
           apt-get install -qy python3-pip python-is-python3 ros-dev-tools
+          source /opt/ros/$ROS_DISTRO/setup.bash
           rosdep init
+          rosdep update
+          rosdep install --from-paths ros2_easy_test
+          colcon build --symlink-install
           # There seems to be no other way to install the PiPI dependencies:
           export PIP_BREAK_SYSTEM_PACKAGES=1
           pip install -e './ros2_easy_test[dev]'
-      - run: echo "ROS_DISTRO=$ROS_DISTRO" >> "$GITHUB_OUTPUT"
-        id: save_envs
-      -
-        uses: ros-tooling/[email protected]
-        with:
-          target-ros2-distro: ${{ steps.save_envs.outputs.ROS_DISTRO }}
-          package-name: ros2_easy_test
-          skip-tests: true
+      # - run: echo "ROS_DISTRO=$ROS_DISTRO" >> "$GITHUB_OUTPUT"
+      #   id: save_envs
+      # -
+      #   uses: ros-tooling/[email protected]
+      #   with:
+      #     target-ros2-distro: ${{ steps.save_envs.outputs.ROS_DISTRO }}
+      #     package-name: ros2_easy_test
+      #     skip-tests: true
       -
         name: Format (with ruff)
         run: |