Add opentsdb to CI

Author: antonkomarev

.github/workflows/tests.yml

@@ -13,7 +13,7 @@ jobs:
           - 4242:4242
           - 60030:60030
         options: >-
-          --health-cmd="curl -f http://localhost:4242/api/version"
+          --health-cmd="curl -f http://opentsdb:4242/api/version"
           --health-interval=10s
           --health-timeout=5s
           --health-retries=3