CI test `Failed to open TCP connection to localhost:3000 (Connection refused - connect(2)`

Job #364685731 failed for ca3c1f0bb089e9b190593ef814ee09c2af049c0a:

1) Gitlab::Namespace::ListService#execute when invalid request to GL logs an error
4275      Failure/Error: Gitlab::Logger.public_send(log_level, object, options)
4276        Gitlab::Logger received :error with unexpected arguments
4277          expected: (RuntimeError, {:extra=>{:customer_id=>1, :requested_hosted_plan=>nil, :requested_hosted_plan_id=>nil}})
4278               got: (#<Errno::ECONNREFUSED: Failed to open TCP connection to localhost:3000 (Connection refused - connect(2) for "localhost" port 3000)>, {:extra=>{:customer_id=>1, :requested_hosted_plan=>nil, :requested_hosted_plan_id=>nil}})

Failed pipelines:

Edited by Ragnar Hardarson