trying github action

.github/workflows/build_and_publish.yml

@@ -6,7 +6,7 @@ on:
     tags: ['v*']
 
 jobs:
-  build:
+  build-and-test:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
@@ -26,6 +26,11 @@ jobs:
         with:
           name: wheels-${{ matrix.os }}-${{ matrix.pyver }}-${{ strategy.job-index }}
           path: wheelhouse/*
+      - name: Test
+        # install the built wheels for python 3.10
+        run: |
+          python -m pip install --user wheelhouse/*cp310*.whl
+          python -m unittest discover -v -s mplib/tests
 
   build-sdist:
     runs-on: ubuntu-latest
@@ -50,7 +55,7 @@ jobs:
 
   nightly-release:
     if: startsWith(github.ref, 'refs/heads/')  # if a commit is pushed
-    needs: [build, build-sdist]
+    needs: [build-and-test, build-sdist]
     runs-on: ubuntu-latest
     permissions:
       contents: write  # create nightly release