Fix Python 3.5 tests on CI

Author: mnaberez

.github/workflows/main.yml

@@ -44,12 +44,41 @@ jobs:
     - name: Run the end-to-end tests
       run: TOXENV=py34 END_TO_END=1 tox
 
+  tests_py35:
+    runs-on: ubuntu-20.04
+    strategy:
+      fail-fast: false
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Work around pip SSL cert verify error
+      run: sudo $PIP config set global.trusted-host 'pypi.python.org pypi.org files.pythonhosted.org'
+
+    - name: Set up Python 3.5
+      uses: actions/setup-python@v4
+      with:
+        python-version: 3.5
+
+    - name: Install dependencies
+      run: $PIP install virtualenv tox
+
+    - name: Set variable for TOXENV based on Python version
+      id: toxenv
+      run: python -c 'import sys; print("TOXENV=py%d%d" % (sys.version_info.major, sys.version_info.minor))' | tee -a $GITHUB_OUTPUT
+
+    - name: Run the unit tests
+      run: TOXENV=${{steps.toxenv.outputs.TOXENV}} tox
+
+    - name: Run the end-to-end tests
+      run: TOXENV=${{steps.toxenv.outputs.TOXENV}} END_TO_END=1 tox
+
   tests_py3x:
     runs-on: ubuntu-20.04
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.5, 3.6, 3.7, 3.8, 3.9, "3.10", 3.11, 3.12]
+        python-version: [3.6, 3.7, 3.8, 3.9, "3.10", 3.11, 3.12]
 
     steps:
     - uses: actions/checkout@v3