You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: test_emoji_breaks.rb
    path of file: ./repos/ruby/test/ruby/enc
    
    the code of the file until where you have to start completion: # frozen_string_literal: true
# Copyright © 2018 Martin J. Dürst (duerst@it.aoyama.ac.jp)

require "test
    
    def test_embedded_emoji
      all_tests.each do |test|
        expected = ["\t", test.string, "\t"]
        actual = "\t#{test.string}\t".each_grapheme_cluster.to_a
        assert_equal expected, actual,
          "file: #{test.filename}, line #{test.line_number}, " +
          "type: #{test.type}, shortname: #{test.shortname}, comment: #{test.comment}"
      end
    end