skipIfInDataVar will skip a test if a value is in a certain variable.
(From OE-Core rev: 10b935c713748346aea6c36c2f41e0ae6c320821)
Signed-off-by: Richard Leitner <richard.leitner@skidata.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>