```ruby
require 'spec_helper'

describe 'Logging' do
  let(:freddy1) { Freddy.build(logger1, config) }
  let(:freddy2) { Freddy.build(logger2, config) }

  let(:logger1) { spy('logger1') }
  let(:logger2) { spy('logger2') }

  let(:destination) { random_destination }
  let(:payload)     { {pay: 'load'} }

  before do
    freddy1.respond_to destination do |payload, msg_handler|
      msg_handler.ack
    end

    freddy2.deliver_with_response(destination, payload) { }
    default_sleep
  end

  it 'logs all consumed messages' do
    expect(logger1).to have_received(:debug).with(/Listening for requests on \w+/)
    expect(logger1).to have_received(:debug).with(/Consuming messages on \w+/)
    expect(logger1).to have_received(:debug).with(/Received message on \w+ with payload {:pay=>"load"}/)
  end

  it 'logs all produced messages' do
    expect(logger2).to have_received(:debug).with(/Consuming messages on \w+/)
    expect(logger2).to have_received(:debug).with(/Publishing request to \w+, waiting for response on amq.gen-\w+ with correlation_id .*/)
    expect(logger2).to have_received(:debug).with(/Producing message {:pay=>"load"} to \w+/)
  end
end
```

Fix logging spec stability issues
user
```ruby
require 'spec_helper'

describe 'Logging' do
  let(:freddy1) { Freddy.build(logger1, config) }
  let(:freddy2) { Freddy.build(logger2, config) }

  let(:logger1) { spy('logger1') }
  let(:logger2) { spy('logger2') }

  let(:destination) { random_destination }
  let(:payload)     { {pay: 'load'} }

  before do
    freddy1.respond_to destination do |payload, msg_handler|
      msg_handler.ack
    end

    freddy2.deliver_with_response(destination, payload) { }
    default_sleep
  end

  it 'logs all consumed messages' do
    expect(logger1).to have_received(:debug).with(/Listening for requests on \S+/)
    expect(logger1).to have_received(:debug).with(/Consuming messages on \S+/)
    expect(logger1).to have_received(:debug).with(/Received message on \S+ with payload {:pay=>"load"}/)
  end

  it 'logs all produced messages' do
    expect(logger2).to have_received(:debug).with(/Consuming messages on \S+/)
    expect(logger2).to have_received(:debug).with(/Publishing request to \S+, waiting for response on amq.gen-\S+ with correlation_id .*/)
    expect(logger2).to have_received(:debug).with(/Producing message {:pay=>"load"} to \S+/)
  end
end
```
assistant