docstr: Tests EventMultiplexer is created properly with its params.
docstr_tok: ["Tests","EventMultiplexer","is","created","properly","with","its","params","."]
code: def testInitialization(self):
      """Tests EventMultiplexer is created properly with its params."""
      x = event_multiplexer.EventMultiplexer()
      self.assertEqual(x.Runs(), {})
      x = event_multiplexer.EventMultiplexer(
          {"run1": "path1", "run2": "path2"}
      )
      self.assertCountEqual(x.Runs(), ["run1", "run2"])
      self.assertEqual(x.GetAccumulator("run1")._path, "path1")
      self.assertEqual(x.GetAccumulator("run2")._path, "path2")
  
imports: import os
  import os.path
  import shutil
  import tensorflow
  from tensorboard.backend.event_processing import event_accumulator
  from tensorboard.backend.event_processing import event_multiplexer
label_desc: Use image node_id 10 for calling the EventMultiplexerTest obj's underlying member method code with example usage: obj.testInitialization() without return types