Fixing workflow with submodules

.github/workflows/test-build.yml

@@ -15,5 +15,23 @@ jobs:
     - uses: actions/checkout@v2
     - name: install dependencies
       run: sudo apt-get install emacs
+    - name: make
+      run: make -C src/
+
+  test:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: install dependencies
+      run: sudo apt-get install emacs
+    - name: Checkout submodules using a PAT
+      run: |
+           git config --file .gitmodules --get-regexp url | while read url; do
+             git config --file=.gitmodules $(echo "$url" | sed -E "s/git@github.com:|https:\/\/github.com\//https:\/\/${{ secrets.CI_PAT }}:${{ secrets.CI_PAT }}@github.com\//")
+           done
+           git submodule sync
+           git submodule update --init --recursive
     - name: make
       run: make -C src/ test