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: spec_helper.rb
    path of file: ./repos/souls/apps/api/spec
    
    the code of the file until where you have to start completion: ENV["RACK_ENV"] = "test"
require "./app"
require "rspec"
require "rack/test"
require "database_cleaner"
require "capybara/rspec"
require "webmock/rspec"
require 
    
  def reconsider_gc_deferment
    return unless DEFERRED_GC_THRESHOLD.positive? && Time.now - @@last_gc_run >= DEFERRED_GC_THRESHOLD

    GC.enable
    GC.start
    GC.disable

    @@last_gc_run = Time.now
  end