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: content_test.go
    path of file: ./repos/hugo/create
    
    the code of the file until where you have to start completion: // Copyright 2016 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except
    
func newTestCfg(c *qt.C, mm afero.Fs) (config.Provider, *hugofs.Fs) {
	cfg := `

theme = "mytheme"
[languages]
[languages.en]
weight = 1
languageName = "English"
[languages.nn]
weight = 2
languageName = "Nynorsk"

[module]
[[module.mounts]]
  source = 'archetypes'
  target = 'archetypes'
[[module.mounts]]
  source = 'content'
  target = 'content'
  lang = 'en'
[[module.mounts]]
  source = 'content_nn'
  target = 'content'
  lang = 'nn'
`
	if mm == nil {
		mm = afero.NewMemMapFs()
	}

	mm.MkdirAll(filepath.FromSlash("content_nn"), 0o777)

	mm.MkdirAll(filepath.FromSlash("themes/mytheme"), 0o777)

	c.Assert(afero.WriteFile(mm, filepath.Join("i18n", "en.toml"), []byte(`[hugo]
other = "Hugo Rocks!"`), 0o755), qt.IsNil)
	c.Assert(afero.WriteFile(mm, filepath.Join("i18n", "nn.toml"), []byte(`[hugo]
other = "Hugo Rokkar!"`), 0o755), qt.IsNil)

	c.Assert(afero.WriteFile(mm, "config.toml", []byte(cfg), 0o755), qt.IsNil)

	res, err := allconfig.LoadConfig(allconfig.ConfigSourceDescriptor{Fs: mm, Filename: "config.toml"})
	c.Assert(err, qt.IsNil)

	return res.LoadingInfo.Cfg, hugofs.NewFrom(mm, res.LoadingInfo.BaseConfig)
}