code: def test_version_prerelease(self):
      b = server_ingester.ServerBinary("./server", version="0.5.0a0")
      self.assertTrue(b.at_least_version("0.4.0"))
      self.assertTrue(b.at_least_version("0.5.0a0"))
      self.assertFalse(b.at_least_version("0.5.0"))
  
imports: import os
  import subprocess
  import tempfile
  import threading
  import time
  from unittest import mock
  import grpc
  from tensorboard import test
  from tensorboard.data import grpc_provider
  from tensorboard.data import server_ingester
  from tensorboard.util import grpc_util
label_desc: Use image node_id 3 for calling the ServerInfoTest obj's underlying member method code with example usage: obj.test_version_prerelease() without return types