Use same package in all test runs

Author: nicoddemus

Diff for: .github/workflows/test.yml

@@ -17,7 +17,7 @@ concurrency:
 
 jobs:
 
-  check-package:
+  package:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
@@ -26,6 +26,8 @@ jobs:
 
   test:
 
+    needs: [package]
+
     runs-on: ${{ matrix.os }}
 
     strategy:
@@ -68,14 +70,24 @@ jobs:
       with:
         # Needed to fetch tags, which are required by setuptools-scm.
         fetch-depth: 0
+
+    - name: Download Package
+      uses: actions/download-artifact@v3
+      with:
+        name: Packages
+        path: dist
+
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python }}
+
     - name: Install tox
       run: |
         python -m pip install --upgrade pip
         pip install tox
+
     - name: Test
+      shell: bash
       run: |
-        tox -e ${{ matrix.tox_env }}
+        tox run -e ${{ matrix.tox_env }} --installpkg `find dist/*.tar.gz`