class_docstr: Test Pipeline
class_docstr_tok: ["Test","Pipeline"]
code: def test_concat_multi_schema(self):
      pipe0 = Pipeline.input("a", "b", "c")
      pipe1 = pipe0.map("a", "d", ops.add_operator(10))
      pipe2 = pipe0.map(("b", "c"), "e", ops.sub_operator())
      pipe3 = pipe2.concat(pipe1).output("a", "b", "c", "d", "e")
      a, b, c, d, e = pipe3(1, 2, 3).get()
      self.assertEqual(a, 1)
      self.assertEqual(b, 2)
      self.assertEqual(c, 3)
      self.assertEqual(d, 11)
      self.assertEqual(e, -1)
  
imports: import unittest
  from towhee.operator.nop import NOPNodeOperator
  from towhee.operator import PyOperator
  from towhee.runtime.pipeline import Pipeline
  from towhee.runtime.data_queue import Empty
  from towhee.runtime import ops, register
  from towhee.runtime.runtime_pipeline import RuntimePipeline
label_desc: Use image node_id 10 for calling the TestPipeline obj's underlying member method code with example usage: obj.test_concat_multi_schema() without return types