attempt to upgrade the CI to run our pytest

.github/workflows/build.yml

@@ -4,10 +4,12 @@ on:
   push:
     branches:
       - master
-    paths: ['.github/workflows/**', '**/Makefile', '**/*.c', '**/*.h']
+    paths: ['.github/workflows/**', '**/Makefile', '**/*.c', '**/*.h', '**/*.py']
   pull_request:
     types: [opened, synchronize, reopened]
-    paths: ['**/Makefile', '**/*.c', '**/*.h']
+    paths: ['**/Makefile', '**/*.c', '**/*.h', '**/*.py']
+  # for manual triggering
+  workflow_dispatch:
 
 env:
   BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
@@ -15,7 +17,7 @@ env:
 jobs:
   # check basic builds to avoid breaking changes
   ubuntu-focal-make:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
 
     steps:
       - name: Clone
@@ -28,6 +30,16 @@ jobs:
           sudo apt-get update
           sudo apt-get install build-essential -y
 
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v3
+        with:
+          python-version: "3.10"
+
+      - name: Pip setup
+        run: |
+          python -m pip install --upgrade pip
+          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+
       - name: Build
         id: make_build
         run: |
@@ -38,6 +50,10 @@ jobs:
         run: |
           make runfast
 
+      - name: Test with pytest
+        run: |
+          pytest
+
   macOS-latest-make:
     runs-on: macos-latest