add queue CI workflow

.github/workflows/queue.yml

@@ -0,0 +1,27 @@
+name: Queue tests
+
+on:
+  - push
+
+jobs:
+  queue:
+    name: Queue application tests
+    runs-on: ubuntu-latest
+    steps:
+      - name: Prepare composer version constraint prefix
+        run: |
+          BRANCH=${GITHUB_REF#refs/heads/}
+          if [[ $BRANCH =~ ^[0-9] ]]; then
+            echo "VERSION_PREFIX=${BRANCH}-dev" >> $GITHUB_ENV
+          else
+            echo "VERSION_PREFIX=dev-${BRANCH}" >> $GITHUB_ENV
+          fi
+
+      - name: Clone test suite
+        run: git clone https://github.com/archtechx/tenancy-queue-tester
+
+      - name: Run tests
+        run: |
+          cd tenancy-queue-tester
+          ./setup.sh
+          TENANCY_VERSION=${VERSION_PREFIX}#${GITHUB_SHA} ./test.sh