Failing test: X-Pack Reporting API Integration Tests.x-pack/test/reporting_api_integration/reporting/csv_saved_search·ts - Reporting APIs Generation from Saved Search ID Saved Search Features Formatted date_nanos data, custom time zone

[kibanamachine]

A test failed on a tracked branch

{ Error: [invalid_alias_name_exception] Invalid alias name [.kibana], an index exists with the same name as the alias, with { index_uuid="Oyxpbb7BTyuiMmh8U2_s1g" & index=".kibana" }
    at respond (/dev/shm/workspace/kibana/node_modules/elasticsearch/src/lib/transport.js:349:15)
    at checkRespForFailure (/dev/shm/workspace/kibana/node_modules/elasticsearch/src/lib/transport.js:306:7)
    at HttpConnector.<anonymous> (/dev/shm/workspace/kibana/node_modules/elasticsearch/src/lib/connectors/http.js:173:7)
    at IncomingMessage.wrapper (/dev/shm/workspace/kibana/node_modules/lodash/lodash.js:4929:19)
    at endReadableNT (_stream_readable.js:1145:12)
    at process._tickCallback (internal/process/next_tick.js:63:19)
  status: 400,
  displayName: 'BadRequest',
  message:
   '[invalid_alias_name_exception] Invalid alias name [.kibana], an index exists with the same name as the alias, with { index_uuid="Oyxpbb7BTyuiMmh8U2_s1g" & index=".kibana" }',
  path: '/.kibana_1',
  query: { include_type_name: false },
  body:
   { error:
      { root_cause: [Array],
        type: 'invalid_alias_name_exception',
        reason:
         'Invalid alias name [.kibana], an index exists with the same name as the alias',
        index_uuid: 'Oyxpbb7BTyuiMmh8U2_s1g',
        index: '.kibana' },
     status: 400 },
  statusCode: 400,
  response:
   '{"error":{"root_cause":[{"type":"invalid_alias_name_exception","reason":"Invalid alias name [.kibana], an index exists with the same name as the alias","index_uuid":"Oyxpbb7BTyuiMmh8U2_s1g","index":".kibana"}],"type":"invalid_alias_name_exception","reason":"Invalid alias name [.kibana], an index exists with the same name as the alias","index_uuid":"Oyxpbb7BTyuiMmh8U2_s1g","index":".kibana"},"status":400}',
  toString: [Function],
  toJSON: [Function] }

First failure: Jenkins Build

[elasticmachine]

Pinging @elastic/kibana-test-triage (failed-test)