[YOCTO #15210]
test_input_no_stdout_fileno has been seen failing on AB workers under
heavy load. Skip it while leaving the rest of the test_builtin suite
alone.
(From OE-Core rev: cf8927737690bf21dd3fb57474e09b71078e354c)
Signed-off-by: Trevor Gamblin <tgamblin@baylibre.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>