aarch64 RHEL8 Refleaks 3.x:
https://buildbot.python.org/all/#/builders/551/builds/131

This issue looks like bpo-44949 which has been fixed by commit 6fb62b42f4db56ed5efe0ca4c1059049276c1083.

"\r\n" is missing at the end of the expected output.

=== logs ===

readline version: 0x700
readline runtime version: 0x700
readline library version: '7.0'
use libedit emulation? False

FAIL: test_nonascii (test.test_readline.TestReadline)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/buildbot/buildarea/3.x.cstratak-RHEL8-aarch64.refleak/build/Lib/test/test_readline.py", line 258, in test_nonascii
    self.assertIn(b"history " + expected + b"\r\n", output)
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: b"history '[\\xefnserted]|t\\xebxt[after]'\r\n" not found in bytearray(b"^A^B^B^B^B^B^B^B\t\tx\t\r\n[\xc3\xafnserted]|t\xc3\xab[after]\x08\x08\x08\x08\x08\x08\x08text \'t\\xeb\'\r\nline \'[\\xefnserted]|t\\xeb[after]\'\r\nindexes 11 13\r\n\x07text \'t\\xeb\'\r\nline \'[\\xefnserted]|t\\xeb[after]\'\r\nindexes 11 13\r\nsubstitution \'t\\xeb\'\r\nmatches [\'t\\xebnt\', \'t\\xebxt\']\r\nx[after]\x08\x08\x08\x08\x08\x08\x08t[after]\x08\x08\x08\x08\x08\x08\x08\r\nresult \'[\\xefnserted]|t\\xebxt[after]\'\r\nhistory \'[\\xefnserted]|t\\xebxt[after]\'")


=== test.pythoninfo ===

readline._READLINE_LIBRARY_VERSION: 7.0
readline._READLINE_RUNTIME_VERSION: 0x700
readline._READLINE_VERSION: 0x700

platform.architecture: 64bit ELF
platform.libc_ver: glibc 2.28
platform.platform: Linux-4.18.0-305.12.1.el8_4.aarch64-aarch64-with-glibc2.28

os.environ[LANG]: en_US.UTF-8
locale.encoding: UTF-8
sys.filesystem_encoding: utf-8/surrogateescape
sys.stderr.encoding: utf-8/backslashreplace
sys.stdin.encoding: utf-8/strict
sys.stdout.encoding: utf-8/strict