Add option to post prereleases to test-pypi

.github/workflows/pr-test.yml

@@ -6,7 +6,7 @@ on:
       - master
   pull_request:
   release:
-    types: [published]
+    types: [published, prereleased]
 
 jobs:
   test_cython:
@@ -55,6 +55,15 @@ jobs:
         python -m twine upload --non-interactive -u '__token__' -p ${{ secrets.PYPI_API_TOKEN }} dist/*.whl
         echo "Uploading source code"
         python -m twine upload --non-interactive --skip-existing -u '__token__' -p ${{ secrets.PYPI_API_TOKEN }} dist/*.tar.gz
+    - name: Build and upload wheel [TEST]
+      if: ${{ github.event_name == 'release' && github.event.action == 'prereleased' && !contains(matrix.os, 'ubuntu') }}
+      run: |
+        echo "Building wheel and uploading"
+        pip install wheel twine
+        python setup.py sdist bdist_wheel
+        python -m twine upload --repository testpypi --non-interactive -u '__token__' -p ${{ secrets.PYPI_TEST_API_TOKEN }} dist/*.whl
+        echo "Uploading source code"
+        python -m twine upload --repository testpypi --non-interactive --skip-existing -u '__token__' -p ${{ secrets.PYPI_TEST_API_TOKEN }} dist/*.tar.gz
 
   test_pypy:
     name: PyPy - Test
@@ -165,3 +174,9 @@ jobs:
         echo "Uploading wheel"
         pip install twine
         python -m twine upload --non-interactive -u '__token__' -p ${{ secrets.PYPI_API_TOKEN }} dist/*.whl
+    - name: Upload wheel [TEST]
+      if: ${{ github.event_name == 'release' && github.event.action == 'prereleased' }}
+      run: |
+        echo "Uploading wheel"
+        pip install twine
+        python -m twine upload --repository testpypi --non-interactive -u '__token__' -p ${{ secrets.PYPI_TEST_API_TOKEN }} dist/*.whl