CI: run unit tests using Py3.10 on macos-latest

Author: mr-c

.github/workflows/ci-tests.yml

@@ -16,6 +16,36 @@ env:
 
 jobs:
 
+  macos:
+    name: CI test on macos-latest
+    runs-on: macos-latest
+    env:
+      TOXENV: py310-unit
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+          cache: pip
+          cache-dependency-path: |
+            requirements.txt
+            tox.ini
+      - name: Upgrade setuptools and install tox
+        run: |
+          pip install -U pip setuptools wheel
+          pip install tox tox-gh-actions
+      - name: Test with tox
+        run: tox
+      - name: Upload coverage to Codecov
+        if: ${{ matrix.step == 'unit' }}
+        uses: codecov/codecov-action@v3
+        with:
+          fail_ci_if_error: true
+
+
   tox:
     name: CI tests via Tox