minitest-stub_any_instance fails with ruby 2.3.0-preview2

boom.rb

# Fork of the rspec boom.rb: https://gist.github.com/tenderlove/183d0d7244f2f2da32aa from https://github.com/rspec/rspec-mocks/issues/1042
# This one is for minitest.
# Run this with minitest/minitest-stub_any_instance, it will randomly fail in ruby 2.3.0-preview2 when the ".new" example runs last.
# It passes if the stub any instance test method happens last with:
#
# Running
# <UnboundMethod: SmallCircle(Circle)#area>
# ..
#
# It fails with

# Running:
#
# .#<UnboundMethod: SmallCircle#area>
# E
#  1) Error:
# TestSmallCircle#test_new:
# ArgumentError: wrong number of arguments (given 1, expected 0)
#    inline_spec.rb:49:in `area'
#    inline_spec.rb:50:in `area'
#    inline_spec.rb:66:in `test_new
#
# https://github.com/codeodor/minitest-stub_any_instance/blob/bd333d8049e6bd5fe964b1cf9ff994a00e22eaee/lib/minitest/stub_any_instance.rb

begin
  require 'bundler/inline'
rescue LoadError => e
  $stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler'
  raise e
end

gemfile(true) do
  source 'https://rubygems.org'
  gem 'minitest'
  gem 'minitest-stub_any_instance'
end

require 'minitest'
require 'minitest/stub_any_instance'
require 'minitest/autorun'

class Shape
  def area(value)
    value
  end
end

class Circle < Shape
  def area
    super(2)
  end
end

class SmallCircle < Circle
end

class TestSmallCircle < Minitest::Test
  def test_stub_then_new
    SmallCircle.stub_any_instance(:area, 1) do
      assert_equal SmallCircle.new.area, 1
    end
  end

  def test_new
    p SmallCircle.instance_method(:area)
    assert_equal SmallCircle.new.area, 2
  end
end