add call to WorkArena tests in browsergym PRs + on a schedule

.github/workflows/unit_tests.yml

@@ -410,3 +410,67 @@ jobs:
           OPENAI_API_KEY: ""
         run: |
           pytest -n 5 --durations=10 -m 'not pricy' --slowmo 1000 -v tests/assistantbench
+
+  workarena-fast:
+    if: github.event_name == 'pull_request'
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout Dependency Repo
+        uses: actions/checkout@v4
+
+      - name: Checkout WorkArena
+        uses: actions/checkout@v4
+        with:
+          repository: ServiceNow/WorkArena
+          ref: workarena-plus-plus
+          path: WorkArena
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
+          cache: 'pip'
+
+      - name: Install dependencies
+        working-directory: WorkArena/dev
+        run: pip install -r requirements.txt
+
+      - name: Install Playwright
+        run: playwright install --with-deps
+
+      - name: Run fast tests
+        working-directory: WorkArena
+        env:
+          SNOW_INSTANCE_URL: ${{ secrets.SNOW_INSTANCE_URL }}
+          SNOW_INSTANCE_UNAME: ${{ secrets.SNOW_INSTANCE_UNAME }}
+          SNOW_INSTANCE_PWD: ${{ secrets.SNOW_INSTANCE_PWD }}
+        run: pytest -n 5 --durations=10 -m 'not slow and not pricy' --slowmo 1000 -v tests
+
+  scheduled-workarena-slow:
+    if: github.event_name == 'schedule'
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+
+      - name: Check for recent merge to main
+        id: check-merge
+        run: |
+          LAST_COMMIT_DATE=$(git log -1 --format=%ct)
+          CURRENT_DATE=$(date +%s)
+          DIFF=$((CURRENT_DATE - LAST_COMMIT_DATE))
+          if [ $DIFF -le 86400 ]; then
+            echo "recent_merge=true" >> $GITHUB_OUTPUT
+          else
+            echo "recent_merge=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: WorkArena slow tests
+        if: steps.check-merge.outputs.recent_merge == 'true'
+        uses: peter-evans/repository-dispatch@v2
+        with:
+          token: ${{ secrets.PAT }}
+          repository: ServiceNow/WorkArena
+          event-type: dependency-update