test/common.rb in net-ssh-3.3.0.beta1 vs test/common.rb in net-ssh-4.0.0.alpha1

@@ -13,22 +13,10 @@
 # clear the default files out so that tests don't get confused by existing
 # SSH config files.
 $original_config_default_files = Net::SSH::Config.default_files.dup
 Net::SSH::Config.default_files.clear
 
-def with_restored_default_files(&block)
-  act_default_files = Net::SSH::Config.default_files.dup
-  begin
-    Net::SSH::Config.default_files.clear
-    Net::SSH::Config.default_files.concat($_original_config_default_files) # rubocop:disable Style/GlobalVars
-    yield
-  ensure
-    Net::SSH::Config.default_files.clear
-    Net::SSH::Config.default_files.concat(act_default_files)
-  end
-end
-
 def P(*args)
   Net::SSH::Packet.new(Net::SSH::Buffer.from(*args))
 end
 
 class MockTransport < Net::SSH::Transport::Session
@@ -79,13 +67,9 @@
     if mock_enqueue
       send_message(message)
     else
       super
     end
-  end
-
-  def closed?
-    false
   end
 
   def poll_message
     @queue.shift
   end