00:43:56          Failure/Error: expect { subject.run }.to raise_error(Errno::EADDRINUSE, /Logstash tried to bind to port range/)
00:43:56 
00:43:56            expected Errno::EADDRINUSE with message matching /Logstash tried to bind to port range/, got #<SystemCallError: Unknown error (SystemCallError) - bind(2) for "127.0.0.1" port 10000> with backtrace:
00:43:56              # A:/vendor/bundle/jruby/2.5.0/gems/puma-4.3.5-java/lib/puma/binder.rb:229:in `add_tcp_listener'
00:43:56              # A:/logstash-core/lib/logstash/webserver.rb:104:in `start_webserver'
00:43:56              # A:/logstash-core/lib/logstash/webserver.rb:60:in `block in run'
00:43:56              # A:/logstash-core/lib/logstash/webserver.rb:55:in `run'
00:43:56              # A:/logstash-core/spec/logstash/webserver_spec.rb:137:in `block in <main>'