gistfile1.txt

[agrimm@computer_name test_example]$ more *.rb
::::::::::::::
without_run_equal.rb
::::::::::::::
require "test/unit"

class WithoutRunEqualTestCase < Test::Unit::TestCase
  def test_truth
    assert_equal 4, 2+2
  end
end

::::::::::::::
with_run_equal_false.rb
::::::::::::::
require "test/unit"

class WithoutRunEqualTestCase < Test::Unit::TestCase
  def test_truth
    assert_equal 4, 2+2
  end
end

Test::Unit.run = false

::::::::::::::
with_run_equal_true.rb
::::::::::::::
require "test/unit"

class WithoutRunEqualTestCase < Test::Unit::TestCase
  def test_truth
    assert_equal 4, 2+2
  end
end

Test::Unit.run = true

[agrimm@computer_name test_example]$ ruby without_run_equal.rb
Loaded suite without_run_equal
Started
.
Finished in 0.001586 seconds.

1 tests, 1 assertions, 0 failures, 0 errors
[agrimm@computer_name test_example]$ ruby with_run_equal_true.rb
[agrimm@computer_name test_example]$ ruby with_run_equal_false.rb 
Loaded suite with_run_equal_false
Started
.
Finished in 0.001628 seconds.

1 tests, 1 assertions, 0 failures, 0 errors