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ec08581319
Currently we index documents concurrently to attempt to ensure that we update mappings during the restore process. However, this does not actually test that the mapping will be correct and is dangerous as it can lead to a misalignment between the max sequence number and the local checkpoint. If these are not aligned, peer recovery cannot be completed without initiating following which this test does not do. That causes teardown assertions to fail. This commit removes the concurrent indexing and flushes after the documents are indexed. Additionally it modifies the mapping specific test to ensure that there is a mapping update when the restore session is initiated. This mapping update is picked up at the end of the restore by the follower.