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_flow.rb
    path of file: ./repos/ruby/bootstraptest
    
    the code of the file until where you have to start completion: assert_equal %q{[1, 2, 4, 5, 6, 7, 8]}, %q{$a = []; begin;  ; $a << 1
  [1,2].each{; $a << 2
    break; $a <
    
    def m2
      begin
        yield :foo
      ensure
        begin
          begin
            yield :foo
          ensure
            Proc.new
            raise ''
          end