DEV: Enable unicorn logger in test environment

config/unicorn.conf.rb

@@ -25,7 +25,7 @@ end
 # feel free to point this anywhere accessible on the filesystem
 pid (ENV["UNICORN_PID_PATH"] || "#{discourse_path}/tmp/pids/unicorn.pid")
 
-if ENV["RAILS_ENV"] == "development" || !ENV["RAILS_ENV"]
+if ENV["RAILS_ENV"] != "production"
   logger Logger.new($stdout)
   # we want a longer timeout in dev cause first request can be really slow
   timeout (ENV["UNICORN_TIMEOUT"] && ENV["UNICORN_TIMEOUT"].to_i || 60)