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: install_generator_spec.rb
    path of file: ./repos/graphql-ruby/spec/integration/rails/generators/graphql
    
    the code of the file until where you have to start completion: # frozen_string_literal: true
require "spec_helper"
require "generators/graphql/install_generator"

class GraphQLGeneratorsI
    
  def self.type_error(err, context)
    # if err.is_a?(GraphQL::InvalidNullError)
    #   # report to your bug tracker here
    #   return nil
    # end
    super
  end