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: assets_spec.rb
    path of file: ./repos/hanami/spec/integration/assets
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

require "rack/test"
require "string
    
    def before_prepare
      write "slices/main/view.rb", <<~RUBY
        # auto_register: false

        module Main
          class View < TestApp::View
          end