Add load all vocabs test workflow.

.github/workflows/load_all_vocabs_test.yml

@@ -0,0 +1,23 @@
+name: Load all vocabs Test
+on:
+  workflow_dispatch:
+jobs:
+  load_all_vocabs:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Bring in repo - test branch
+        uses: actions/checkout@v1
+        with:
+          ref: test
+      - name: Install Python dependencies
+        run: |
+          python -m pip install -U pip
+          pip install -r scripts/requirements.txt
+      - name: Load all vocabs Test
+        env:
+          DB_USERNAME: ${{secrets.DB_USERNAME}}
+          DB_PASSWORD: ${{secrets.DB_PASSWORD}}
+          BASE_DB_URI: ${{vars.BASE_DB_URI_TEST}}
+        run: |
+          echo 'Run load script...'
+          python scripts/load_all_vocabs.py