class Faraday::Adapter::Test::Stubs

def verify_stubbed_calls

Raises an error if any of the stubbed calls have not been made. 
def verify_stubbed_calls
  failed_stubs = []
  @stack.each do |method, stubs|
    unless stubs.size == 0
      failed_stubs.concat(stubs.map {|stub|
        "Expected #{method} #{stub}."
      })
    end
  end
  raise failed_stubs.join(" ") unless failed_stubs.size == 0
end