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This is a fix for the following issue: 1. Some BE tests (e.g. ExprTest.TimestampFunctions) use the system's local timezone but run against a test timezone db (instead of the system's timezone db). 2. On some Linux installations /usr/share/zoneinfo contains symlinks to files in the /usr/share/zoneifo/SystemV directory (e.g /usr/share/zoneinfo/America/Los_Angeles is a symlink to ../SystemV/PST8PDT). 3. The 'SystemV' directory is not part of the test timezone db, since it is obsolete and excluded by default. Consequently, if the system's local timezone is set to America/Los_Angeles, BE tests won't find the corresponding timezone file in the test timezone db. BE tests will default to UTC, which will break some of them. This change sets local timezone explicitly for failing BE tests, so they don't depend on the system's local timezone. It also adds 'SystemV' directory to the test timezone db to avoid similar issues in the future. Change-Id: I9288cd24c8af0c059e55d47c86bd92eaf0075681 Reviewed-on: http://gerrit.cloudera.org:8080/12199 Reviewed-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com> Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>