This test case should only run when rpm package is installed.
So skip it if rpm package is not installed. This fixes:
RESULTS - rpm.RpmBasicTest.test_rpm_help - Testcase 1059: FAILED
(From OE-Core rev: bb909a60c04248d015d988e4454f0a11b1c287da)
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>