code: def test_eq(self):
      x1 = provider.BlobReference(url="foo", blob_key="baz")
      x2 = provider.BlobReference(url="foo", blob_key="baz")
      x3 = provider.BlobReference(url="foo", blob_key="qux")
      self.assertEqual(x1, x2)
      self.assertNotEqual(x1, x3)
      self.assertNotEqual(x1, object())
  
imports: import numpy
  from tensorboard import test
  from tensorboard.data import provider
label_desc: Use image node_id 2 for calling the BlobReferenceTest obj's underlying member method code with example usage: obj.test_eq() without return types