Revert "Remove elasticsearch tests"

This reverts commit 0cd2f37908.

.env.test

@@ -3,4 +3,3 @@ NODE_ENV=tests
 # Federation
 LOCAL_DOMAIN=cb6e6126.ngrok.io
 LOCAL_HTTPS=true
-ES_PREFIX=test

.github/workflows/test-ruby.yml

@@ -282,6 +282,19 @@ jobs:
         ports:
           - 6379:6379
 
+      elasticsearch:
+        image: docker.elastic.co/elasticsearch/elasticsearch:7.17.9
+        env:
+          discovery.type: single-node
+          xpack.security.enabled: false
+        options: >-
+          --health-cmd "curl http://localhost:9200/_cluster/health"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 10
+        ports:
+          - 9200:9200
+
     env:
       DB_HOST: localhost
       DB_USER: postgres