old_contents: # Run the _testcapi module tests (tests for the Python/C API):  by defn,
  # these are all functions _test exports whose name begins with 'test_'.
  
  import sys
  import test_support
  import _testcapi
  
  for name in dir(_testcapi):
      if name.startswith('test_'):
          test = getattr(_testcapi, name)
          if test_support.verbose:
              print "internal", name
          try:
              test()
          except _testcapi.error:
              raise test_support.TestFailed, sys.exc_info()[1]
  
new_contents: # Run the _testcapi module tests (tests for the Python/C API):  by defn,
  # these are all functions _testcapi exports whose name begins with 'test_'.
  
  import sys
  import test_support
  import _testcapi
  
  for name in dir(_testcapi):
      if name.startswith('test_'):
          test = getattr(_testcapi, name)
          if test_support.verbose:
              print "internal", name
          try:
              test()
          except _testcapi.error:
              raise test_support.TestFailed, sys.exc_info()[1]
  
subject: Fix typo in comment (the module is now called _testcapi, not _test).