flaky: test_large_snapshot

Job: https://git.picodata.io/picodata/picodata/picodata/-/jobs/204176

FAILED test/int/test_snapshot.py::test_large_snapshot - AssertionError: assert == failed. [pytest-clarity diff shown]
  
  LHS vs RHS shown below
  
  {'leader_id': 2, 'raft_state': 'Follower'}
  {'leader_id': 2, 'raft_state': 'Leader'}