code: def test_min():
      s1 = Stream.source([-1, 2, -3, 4, -5], dtype="float")
      s2 = Stream.source([-1, 2, 3, 2, 1], dtype="float")
  
      w = s1.min(s2).rename("w")
      expected = [-1, 2, -3, 2, -5]
  
      assert_op([w], expected)
  
imports: import pandas
  from tensortrade.feed import Stream
  from tests.utils.ops import assert_op
label_desc: Use image node_id 3 for calling a global function with example usage: test_min() without return types