[Impala-CR](cdh5-trunk) IMPALA-3491: Use unique_database fixture in test_last_ddl_time_update.py.

["Alex Behm (Code Review)" <ge...@cloudera.org>]

Alex Behm has uploaded a new change for review.

  http://gerrit.cloudera.org:8080/3104

Change subject: IMPALA-3491: Use unique_database fixture in test_last_ddl_time_update.py.
......................................................................

IMPALA-3491: Use unique_database fixture in test_last_ddl_time_update.py.

Testing: Ran the test locally in a loop 10 times, and did an
exhaustive private test run on HDFS.

Change-Id: I97e96217301078d48584c51218345dc96f6853a6
---
M tests/metadata/test_last_ddl_time_update.py
1 file changed, 35 insertions(+), 42 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala refs/changes/04/3104/1
-- 
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I97e96217301078d48584c51218345dc96f6853a6
Gerrit-PatchSet: 1
Gerrit-Project: Impala
Gerrit-Branch: cdh5-trunk
Gerrit-Owner: Alex Behm <al...@cloudera.com>