Add pip_install step

[skip ci]

.github/workflows/build.yaml

@@ -112,6 +112,26 @@ jobs:
           path: dist/
           if-no-files-found: error
 
+  pip_install:
+    name: Install PyPI Package
+    runs-on: 'ubuntu-latest'
+    needs: [pip_build]
+    defaults:
+      run:
+        shell: bash -el {0}
+    steps:
+      - uses: actions/setup-python@v4
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+      - uses: actions/download-artifact@v3
+        with:
+          name: pip_build
+          path: dist/
+      - name: Install package
+        run: python -m pip install dist/*.whl
+      - name: Test package
+        run: python -c "import $PACKAGE"
+
   pip_publish:
     name: Publish PyPI Package
     runs-on: ubuntu-latest
@@ -132,7 +152,7 @@ jobs:
   waiting_room:
     name: Waiting Room
     runs-on: ubuntu-latest
-    needs: [conda_build, pip_build]
+    needs: [conda_build, pip_install]
     if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
     environment:
       name: publish