ci: add fragment test

.github/workflows/build-check.yaml

@@ -86,12 +86,34 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Build project
+      - name: Build project and run test
         run: |
           sudo apt install -y ninja-build
           CMAKE_GENERATOR=Ninja make
           python3 ./build/tests/raweth.py --reth $Z_FEATURE_RAWETH_TRANSPORT
         timeout-minutes: 5
         env:
           Z_FEATURE_RAWETH_TRANSPORT: ${{ matrix.feature_reth }}
-
+
+  fragment_test:
+    name: Test multicast and unicast fragmentation
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Run docker image
+        run: docker run --name zenoh_router --init --net host -d eclipse/zenoh:master
+
+      - name: Build project and run test
+        run: |
+          sudo apt install -y ninja-build
+          CMAKE_GENERATOR=Ninja make
+          python3 ./build/tests/fragment.py
+        timeout-minutes: 5
+
+      - name: Stop docker image
+        if: always()
+        run: |
+          docker stop zenoh_router
+          docker rm zenoh_router