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599636b307
The Alternator test test_ttl.py::test_ttl_expiration_gsi_lsi was flaky. The test incorrectly assumes that when we write an already expired item, it will be visible for a short time until being deleted by the TTL thread. But this doesn't need to be true - if the test is slow enough, it may go look or the item after it was already expired! So we fix this test by splitting it into two parts - in the first part we write a non-expiring item, and notice it eventually appears in the GSI, LSI, and base-table. Then we write the same item again, with an expiration time - and now it should eventually disappear from the GSI, LSI and base-table. This patch also fixes a small bug which prevented this test from running on DynamoDB. Fixes #14495 Signed-off-by: Nadav Har'El <nyh@scylladb.com> Closes #14496