jaymode 020f5496be Test: update IndexAuditUpgradeIT after backport
This commit updates the IndexAuditUpgradeIT test after backporting. The
backport fixes a bug that caused the node name field to be null, which
affected the expected number of nodes in the tests.

Original commit: elastic/x-pack-elasticsearch@9df99d8800
2018-02-22 09:55:01 -07:00
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