Thanks to @tiborvass's review of another PR it was noticed that
we didn't have a testcase to make sure the cache checking for LABEL
was being done properly. This adds a test for it.
Signed-off-by: Doug Davis <dug@us.ibm.com>
Upstream-commit: 97c573bf020e946fe1b9af61269f7f13f7f63f67
Component: engine