bpo-31904: Fix test_os.test_getcwd_long_path() failure for VxWorks (GH-20256)
diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index f127cb1..dbb2975 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -116,6 +116,10 @@
# than MAX_PATH if long paths support is disabled:
# see RtlAreLongPathsEnabled().
min_len = 2000 # characters
+ # On VxWorks, PATH_MAX is defined as 1024 bytes. Creating a path
+ # longer than PATH_MAX will fail.
+ if sys.platform == 'vxworks':
+ min_len = 1000
dirlen = 200 # characters
dirname = 'python_test_dir_'
dirname = dirname + ('a' * (dirlen - len(dirname)))
diff --git a/Misc/NEWS.d/next/Tests/2020-05-20-17-28-46.bpo-31904.yt83Ge.rst b/Misc/NEWS.d/next/Tests/2020-05-20-17-28-46.bpo-31904.yt83Ge.rst
new file mode 100644
index 0000000..1679801
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2020-05-20-17-28-46.bpo-31904.yt83Ge.rst
@@ -0,0 +1 @@
+Fix os module failures for VxWorks RTOS.