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: omniauth_macros.rb
    path of file: ./repos/osem/spec/support
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

module OmniauthMacros
  # The mock_auth configuration allows you to set per-provider (or default)
  # authentication hashes to return during integration testing.

  ENV['OSEM_GOOGLE_KEY'] = 'test key google'
  ENV['OSEM_
    
  def mock_auth_existing_user_admin
    # The mock_auth configuration allows you to set per-provider (or default)
    # authentication hashes to return during integration testing.
    OmniAuth.config.mock_auth[:google] =
      OmniAuth::AuthHash.new(
                              provider:    'google',
                              uid:         'google-test-uid-admin-1',
                              info:        {
                                name:  'existing user admin name',
                                email: 'test-admin-1@example.com'
                              },
                              credentials: {
                                token:  'mock_token',
                                secret: 'mock_secret'
                              }
                            )
  end