[3.14] gh-154279: Skip readline completion tests that fail on DragonFly and illumos (GH-154280) (GH-154288)

https://github.com/python/cpython/commit/1ad0eef8ce8ec3db548be89c40fa427494e82814
commit: 1ad0eef8ce8ec3db548be89c40fa427494e82814
branch: 3.14
author: Serhiy Storchaka <[email protected]>
committer: serhiy-storchaka <[email protected]>
date: 2026-07-20T19:11:05Z
summary:

[3.14] gh-154279: Skip readline completion tests that fail on DragonFly and illumos (GH-154280) (GH-154288)

They are already skipped on FreeBSD, where a backspace does not remove
the auto-indentation.  The same happens on DragonFly and illumos.

(cherry picked from commit e81f19052ae1dad6bfaa240f3e56c2b34129a8fd)

Co-authored-by: Claude Opus 4.8 (1M context) <[email protected]>

files:
M Lib/test/test_pdb.py

diff --git a/Lib/test/test_pdb.py b/Lib/test/test_pdb.py
index 78d3b5ec0dc735..e51488f8e03b8e 100644
--- a/Lib/test/test_pdb.py
+++ b/Lib/test/test_pdb.py
@@ -5013,8 +5013,9 @@ def f():
 
         self.assertIn(b'I love Python', output)
 
-    @unittest.skipIf(sys.platform.startswith('freebsd'),
-                     '\\x08 is not interpreted as backspace on FreeBSD')
+    @unittest.skipIf(sys.platform.startswith(('freebsd', 'dragonfly', 'sunos')),
+                     '\\x08 does not remove the auto-indentation with '
+                     'GNU readline on this platform')
     def test_multiline_auto_indent(self):
         script = textwrap.dedent("""
             import pdb; pdb.Pdb().set_trace()
@@ -5053,8 +5054,9 @@ def test_multiline_completion(self):
 
         self.assertIn(b'42', output)
 
-    @unittest.skipIf(sys.platform.startswith('freebsd'),
-                     '\\x08 is not interpreted as backspace on FreeBSD')
+    @unittest.skipIf(sys.platform.startswith(('freebsd', 'dragonfly', 'sunos')),
+                     '\\x08 does not remove the auto-indentation with '
+                     'GNU readline on this platform')
     def test_multiline_indent_completion(self):
         script = textwrap.dedent("""
             import pdb; pdb.Pdb().set_trace()

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