Separate the tests for deprecation warnings

.github/workflows/test_latest.yml

@@ -68,7 +68,53 @@ jobs:
           cd  ${{ github.workspace }}/.. # move out of the workspace to avoid direct import
           ${{ steps.python.outputs.python-path }} -Wd ${{ github.workspace }}/dev/continuous-integration/run_test_suite.py
         env:
-          DEPRECATION_ERROR: true
           AGENT_OS: ${{runner.os}}
           STANDALONE: ${{ matrix.standalone }}
           FLOAT_DTYPE_32: ${{ matrix.float_dtype_32 }}
+
+  test-deprecations:
+    needs: [ get_python_versions ]
+    name: "Python ${{ matrix.python-version }} check for deprecation warnings on (standalone: ${{ matrix.standalone }}"
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        standalone: [ false, true ]
+        python-version: [ "${{ needs.get_python_versions.outputs.max-python }}" ]
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Install GSL
+        uses: johnwason/vcpkg-action@v5
+        id: vcpkg
+        with:
+          pkgs: gsl
+          triplet: x64-linux
+          cache-key: gsl-x64-linux
+          revision: master
+          token: ${{ github.token }}
+      - name: Install Python
+        id: python
+        uses: actions/setup-python@v4
+        with:
+          cache: 'pip'
+          python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
+      - name: Install dependencies
+        run: |
+          ${{ steps.python.outputs.python-path }} -m pip install --upgrade pip setuptools
+          ${{ steps.python.outputs.python-path }} -m pip install --pre -i https://pypi.anaconda.org/scientific-python-nightly-wheels/simple numpy scipy
+          ${{ steps.python.outputs.python-path }} -m pip install --pre pytest cython sympy pyparsing jinja2 sphinx
+      - name: Install Brian2
+        run: ${{ steps.python.outputs.python-path }} -m pip install --pre -i https://pypi.anaconda.org/scientific-python-nightly-wheels/simple --extra-index-url https://pypi.org/simple .
+      - name: Run Tests
+        run: |
+          cd  ${{ github.workspace }}/.. # move out of the workspace to avoid direct import
+          ${{ steps.python.outputs.python-path }} -Wd ${{ github.workspace }}/dev/continuous-integration/run_test_suite.py || echo "Tests failed (but not marked as failed on GA)"
+        env:
+          DEPRECATION_ERROR: true
+          AGENT_OS: linux
+          STANDALONE: ${{ matrix.standalone }}

dev/continuous-integration/run_test_suite.py

@@ -51,7 +51,7 @@
         float_dtype = None
 
     if deprecation_error:
-        args = ['-W', 'error::DeprecationWarning']
+        args = ['-W', 'error::DeprecationWarning', '--tb=short']
     else:
         args = []