Install test-msgs

Author: minggangw

.github/workflows/linux-build-and-test.yml

@@ -37,6 +37,10 @@ jobs:
       with:
         node-version: ${{ matrix.node-version }}
 
+    - name: Install test-msgs on Linux
+        run: |
+          sudo apt install ros-${{ needs.identify-ros-distro.outputs.distro }}-test-msgs
+
     - uses: actions/checkout@v4
 
     - name: Build and test rclnodejs