[ci] install autobahntestsuite in venv and check wstest

Author: rexim

.github/workflows/autobahn.yaml

@@ -9,9 +9,10 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: '3.13'
-      - run: pip install -U pip
+      #- run: pip install -U pip
+      - run: python -m venv ./venv/
+      - run: source ./venv/bin/activate
       - run: pip install autobahntestsuite==0.8.2
       - run: wget https://downloads.python.org/pypy/pypy2.7-v7.3.17-linux64.tar.bz2
       - run: tar fvx pypy2.7-v7.3.17-linux64.tar.bz2
-      - run: python -m venv ./venv/
-      #- run: ./pypy2.7-v7.3.17-linux64/bin/pypy $(which wstest) --help
+      - run: ./pypy2.7-v7.3.17-linux64/bin/pypy $(which wstest) --help