code: def join(self, inputs):
      got = sorted([inp.my_input for inp in inputs])
      assert_equals(list(range(32)), got)
  
imports: from metaflow_test import MetaflowTest, ExpectationFailed, steps
label_desc: Use image node_id 3 for calling the BasicForeachTest obj's underlying member method code with example usage: obj.join(inputs) without return types