docstr: Don't use hypothesis because there are only 2 cases to check
docstr_tok: ["Do","n't","use","hypothesis","because","there","are","only","2","cases","to","check"]
code: def test_alias_op(self):
      """Don't use hypothesis because there are only 2 cases to check"""
      for size in [0, 5]:
          X = np.arange(size).astype(np.float32)
          workspace.FeedBlob("X", X)
  
          op = core.CreateOperator("Alias", ["X"], ["Y"])
          workspace.RunOperatorOnce(op)
          Y = workspace.FetchBlob("Y")
          np.testing.assert_array_equal(X, Y)
  
imports: from caffe2.python import core, workspace
  from hypothesis import assume, given, settings
  from caffe2.proto import caffe2_pb2
  import caffe2.python.hypothesis_test_util
  import caffe2.python.serialized_test.serialized_test_util
  import hypothesis.strategies
  import numpy
  import random
label_desc: Use image node_id 13 for calling the TestUtilityOps obj's underlying member method code with example usage: obj.test_alias_op() without return types