Issue #8716: Avoid crashes caused by Aqua Tk on OSX when attempting to run

test_tk or test_ttk_guionly under a username that is not currently logged
in to the console windowserver (as may be the case under buildbot or ssh).

diff --cc Misc/NEWS
index 7fb3c929b8f608ef35e2e3e022c25cdec9017c6f,fa9f4b846dfdac4a94ae9a1a96a512ee26dc9173..5a003abbbd9f0507d066cbee454d42961f5094a3
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -973,42 -633,6 +973,46 @@@ Extension Module
  Tests
  -----
  
++- Issue #8716: Avoid crashes caused by Aqua Tk on OSX when attempting to run
++  test_tk or test_ttk_guionly under a username that is not currently logged
++  in to the console windowserver (as may be the case under buildbot or ssh).
++
 +- Issue #12407: Explicitly skip test_capi.EmbeddingTest under Windows.
 +
 +- Issue #12400: regrtest -W doesn't rerun the tests twice anymore, but captures
 +  the output and displays it on failure instead. regrtest -v doesn't print the
 +  error twice anymore if there is only one error.
 +
 +- Issue #12141: Install copies of template C module file so that
 +  test_build_ext of test_distutils and test_command_build_ext of
 +  test_packaging are no longer silently skipped when
 +  run outside of a build directory.
 +
 +- Issue #8746: Add additional tests for os.chflags() and os.lchflags().
 +  Patch by Garrett Cooper.
 +
 +- Issue #10736: Fix test_ttk test_widgets failures with Cocoa Tk 8.5.9
 +  2.8 +  on Mac OS X.  (Patch by Ronald Oussoren)
 +
 +- Issue #12057: Add tests for ISO 2022 codecs (iso2022_jp, iso2022_jp_2,
 +  iso2022_kr).
 +
 +- Issue #12180: Fixed a few remaining errors in test_packaging when no
 +  threading.
 +
 +- Issue #12120, #12119: skip a test in packaging and distutils
 +  if sys.dont_write_bytecode is set to True.
 +
 +- Issue #12096: Fix a race condition in test_threading.test_waitfor(). Patch
 +  written by Charles-François Natali.
 +
 +- Issue #11614: import __hello__ prints "Hello World!". Patch written by
 +  Andreas Stührk.
 +
 +- Issue #5723: Improve json tests to be executed with and without accelerations.
 +
 +- Issue #12041: Make test_wait3 more robust.
 +
  - Issue #11873: Change regex in test_compileall to fix occasional failures when
    when the randomly generated temporary path happened to match the regex.