testing after pypi deployment fix

- ensure that testing does not see the checked out sources because then it will
  be missing authors.py and fail the author test
- check out repo for the wait-for-pypi action under source

Author: orbeckst

.github/workflows/deploy.yml

@@ -163,9 +163,11 @@ jobs:
 
       - name: Checkout repository for actions
         uses: actions/checkout@v6
+        with:
+          path: source    # put code under different path and do not cd to avoid interference with pytest invocation (missing authors.py)
 
       - name: Wait for version to be available on TestPyPI
-        uses: ./.github/actions/wait-for-pypi-version
+        uses: ./source/.github/actions/wait-for-pypi-version
         with:
           repository: testpypi
           package: MDAnalysisData
@@ -203,9 +205,11 @@ jobs:
 
       - name: Checkout repository for actions
         uses: actions/checkout@v6
+        with:
+          path: source    # put code under different path and do not cd to avoid interference with pytest invocation (missing authors.py)
 
       - name: Wait for version to be available on PyPI
-        uses: ./.github/actions/wait-for-pypi-version
+        uses: ./source/.github/actions/wait-for-pypi-version
         with:
           repository: pypi
           package: MDAnalysisData