Fix win10pcap installation in tests

.github/workflows/testing.yml

@@ -39,10 +39,8 @@ jobs:
       if: runner.os == 'Windows'
       run: |
         python -m pip install -r win-requirements.txt
-        echo on
         curl -O "http://www.win10pcap.org/download/Win10Pcap-v10.2-5002.msi"
-        msiexec /i "Win10Pcap-v10.2-5002.msi" /qn /norestart /L*v "Win10Pcap-install.log"
-        type "Win10Pcap-install.log"
+        msiexec /i "Win10Pcap-v10.2-5002.msi" /qn /norestart
 
     - name: Lint with flake8
       run: |