.github/workflows/test.yml in search_flip-4.0.0.beta9 vs .github/workflows/test.yml in search_flip-4.0.0.beta10

@@ -10,26 +10,27 @@
         - plainpicture/elasticsearch:2.4.1_delete-by-query
         - elasticsearch:5.4
         - docker.elastic.co/elasticsearch/elasticsearch:6.7.0
         - docker.elastic.co/elasticsearch/elasticsearch:7.0.0
         - docker.elastic.co/elasticsearch/elasticsearch:7.11.2
+        - docker.elastic.co/elasticsearch/elasticsearch:8.1.1
         ruby:
         - 2.6
         - 2.7
         - 3.0
     services:
       elasticsearch:
         image: ${{ matrix.elasticsearch }}
         env:
           discovery.type: single-node
+          xpack.security.enabled: false
         ports:
           - 9200:9200
     steps:
     - uses: actions/checkout@v1
     - uses: actions/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}
     - run: gem install bundler
     - run: bundle
-    - run: sleep 10
     - run: bundle exec rspec
     - run: bundle exec rubocop