Fix some brew typecheck homebrew/bundle cases

spec/bundle/commands/check_command_spec.rbi

@@ -0,0 +1,2 @@
+class TestChecker < Bundle::Checker::Base
+end

spec/stub/formulary.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class Formulary
+module Formulary
   def self.factory(name)
     Formula.new(name)
   end