try to fix build by pinning chrome driver version

.github/workflows/test.yml

@@ -33,6 +33,10 @@ jobs:
         run: ./test_startup.sh
       - name: setup chromedriver
         uses: nanasess/setup-chromedriver@v2.1.1
+        with:
+          # XXX: This is an unfortunate workaround due to this issue:
+          # https://github.com/nanasess/setup-chromedriver/issues/199
+          chromedriver-version: "115.0.5790.102"
       - name: pytest
         run: pytest
       - name: upload screenshots