Mark hms_client-test as RUN_SERIAL to avoid timeouts
Mark hms_client-test as RUN_SERIAL to avoid timeouts

It seems this test often times out when running in parallel with others.
Let's see if running it serially helps.

Change-Id: Idc152579d45ec4c945f1bc60e71af3c30ded645f
Reviewed-on: http://gerrit.cloudera.org:8080/8566
Reviewed-by: Dan Burkert <4ef91e292a55314d2653d35ff669a6bd939ce515@apache.org>
Tested-by: Kudu Jenkins

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