test-dependencies.sh: avoid showing misleading error messages
This avoids the following error messages when no dependency
issue detected:
find: `/build/r_cgp-dep_1225/p_x86_1225/bitbake_build/tmp/work/': No such file or directory
grep: test-dependencies/
1388042399/3_min/failed/*: No such file or directory
ls: cannot access test-dependencies/
1388042399/3_min/failed/*: No such file or directory
Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
