Load rubygems explicitly for tests of test/irb

test/irb/helper.rb

@@ -1,5 +1,6 @@
 require "test/unit"
 require "pathname"
+require "rubygems"
 
 begin
   require_relative "../lib/helper"

test/irb/test_color.rb

@@ -1,6 +1,5 @@
 # frozen_string_literal: false
 require 'irb/color'
-require 'rubygems'
 require 'stringio'
 
 require_relative "helper"

test/irb/test_color_printer.rb

@@ -1,6 +1,5 @@
 # frozen_string_literal: false
 require 'irb/color_printer'
-require 'rubygems'
 require 'stringio'
 
 require_relative "helper"

test/irb/test_command.rb

@@ -1,5 +1,4 @@
 # frozen_string_literal: false
-require "rubygems"
 require "irb"
 
 require_relative "helper"

test/irb/test_context.rb

@@ -1,7 +1,6 @@
 # frozen_string_literal: false
 require 'tempfile'
 require 'irb'
-require 'rubygems'
 
 require_relative "helper"
 

test/irb/test_tracer.rb

@@ -1,7 +1,6 @@
 # frozen_string_literal: false
 require 'tempfile'
 require 'irb'
-require 'rubygems'
 
 require_relative "helper"
 

test/irb/test_workspace.rb

@@ -1,6 +1,5 @@
 # frozen_string_literal: false
 require 'tempfile'
-require 'rubygems'
 require 'irb'
 require 'irb/workspace'
 require 'irb/color'