Fix testing dart packages (#2345)

.github/workflows/test-dart-package.yaml

@@ -59,6 +59,8 @@ jobs:
           cd dart-api-examples/vad
           flutter pub get
 
+          if false; then
+
           if [[ ${{ matrix.os }} == ubuntu-latest || ${{ matrix.os }} == ubuntu-24.04-arm ]]; then
             echo "-----"
             ls -lh /home/runner/work/_temp/pub-cache/hosted/pub.dev
@@ -96,6 +98,7 @@ jobs:
             # sudo mkdir /Users/runner/work/_temp/pub-cache/hosted/pub.dev/sherpa_onnx_macos-1.10.7/lib
             # sudo touch /Users/runner/work/_temp/pub-cache/hosted/pub.dev/sherpa_onnx_macos-1.10.7/lib/.gitkeep
           fi
+          fi
 
 
       - name: Run tests