# File lib/faraday/adapter/test.rb, line 74
        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