Describe the bug
When running unit tests against the latest baseline, there is a new failure on RTEMS:

[BEGIN] 04 TestChmod
OS_FileOpen_Impl():111:open(/RAM/Filename1): Invalid argument
[ FAIL] 04.001 file-api-test.c:257 - status after creat = -1
[ FAIL] 04.002 file-api-test.c:259 - status after close = -16

To Reproduce
Build with unit tests and execute on RTEMS 4.11 + pc686 + QEMU as documented in README. The chmod test fails.

Expected behavior
Test should pass.

System observed on:
RTEMS 4.11.3, pc686 BSP, running in QEMU

Additional context
Appears to be introduced in PR #665

Reinforces need (again) for CI script that runs the RTEMS build.

Reporter Info
Joseph Hickey, Vantage Systems, Inc.