Add extra test gate between package build and publish

Author: hugovk

.github/workflows/publish.yml

@@ -34,6 +34,11 @@ jobs:
 
       - uses: hynek/build-and-inspect-python-package@fe0a0fb1925ca263d076ca4f2c13e93a6e92a33e # v2.17.0
 
+  test-package:
+    name: Test package
+    needs: build-package
+    uses: ./.github/workflows/tests.yml
+
   # Publish to Test PyPI for every tag.
   release-test-pypi:
     name: Publish in-dev package to test.pypi.org
@@ -42,7 +47,7 @@ jobs:
       && github.event_name == 'push'
       && startsWith(github.ref, 'refs/tags/')
     runs-on: ubuntu-latest
-    needs: build-package
+    needs: test-package
 
     permissions:
       id-token: write
@@ -66,7 +71,7 @@ jobs:
       github.repository_owner == 'python'
       && github.event.action == 'published'
     runs-on: ubuntu-latest
-    needs: build-package
+    needs: test-package
 
     environment:
       name: release

.github/workflows/tests.yml

@@ -5,6 +5,7 @@ on:
     branches:
       - master
   pull_request:
+  workflow_call:
   workflow_dispatch:
 
 permissions: {}