Test create-account in CI

.github/workflows/k8s.yml

@@ -72,3 +72,18 @@ jobs:
           kubectl taint --all=true nodes node.cloudprovider.kubernetes.io/uninitialized- || true
       - name: Run chart-testing (install)
         run: ct install --config helm/ct.yaml
+
+      # Install the chart using helm directly and test with create-account
+      - name: Install chart
+        run: |
+          helm install --values helm/dendrite/ci/ct-postgres-sharedsecret-values.yaml dendrite helm/dendrite
+      - name: Wait for Dendrite to be up
+        run: |
+          kubectl wait --for=condition=ready --timeout=90s pod -l app.kubernetes.io/name=dendrite
+          kubectl get pods -A
+          kubectl get services
+          kubectl get ingress
+      - name: Run create account
+        run: |
+          podName=$(kubectl get pods -l app.kubernetes.io/name=dendrite -o name)
+          kubectl exec "${podName}" -- /usr/bin/create-account -username alice -password somerandompassword