Test committing dump_group
merge nathanlws: Test committing dump_group

Merge pull request #1200 from nathanlws/sql-layer/more-dump-group-tests
https://github.com/FoundationDB/sql-layer/pull/1200
Add EST expected for FTS
merge nathanlws: Add FTS expected for FROM_UNIXTIME test

Merge pull request #1201 from nathanlws/sql-layer/fts-expected-from-unixtime
https://github.com/FoundationDB/sql-layer/pull/1201
Failing test
Remove digesting
Update data version
merge nathanlws: Remove string digesting from PersistitKeyValueTarget

Merge pull request #1202 from nathanlws/sql-layer/no-index-string-digesting
https://github.com/FoundationDB/sql-layer/pull/1202