Gemfile

source 'https://rubygems.org'
gem 'minitest', '~> 5.0'

test.rb

require "minitest/autorun"

class PendingTest < Minitest::Test
  def pending
    begin
      yield
      fail "OMG pending test passed."
    rescue MiniTest::Assertion
      skip "Still pending"
    end
  end

  def test_with_normal_skip
    skip
    assert false
  end

  def test_with_pending
    pending do
      assert false
    end
  end
end

__END__
$ ruby -r bundler/setup test.rb
Run options: --seed 8125

# Running:

SS

Finished in 0.001369s, 1460.9204 runs/s, 730.4602 assertions/s.

2 runs, 1 assertions, 0 failures, 0 errors, 2 skips

Change line 20 to assert true