tests: use MOCK_FD instead of NON_ZERO

With this change the mocks are able to return a non-negative value for
the file descriptor expected from open operations. This avoid issues
with subsequent error checks of the form `if (fd < 0)`

BUG=b:227404721
TEST=./test_build.sh; FEATURES=test emerge-amd64-generic flashrom
BRANCH=none

Signed-off-by: Daniel Campello <campello@chromium.org>
Change-Id: Ib6bac051852aea2465665a6fd669b7f5e3772985
Reviewed-on: https://review.coreboot.org/c/flashrom/+/63193
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: Nikolai Artemiev <nartemiev@google.com>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>

0 files changed, 0 insertions, 0 deletions