class_docstr: Test that S3 failures are handled correctly.
class_docstr_tok: ["Test","that","S3","failures","are","handled","correctly","."]
code: def step_all(self):
      pass
  
imports: from metaflow_test import MetaflowTest, ExpectationFailed, steps
label_desc: Use image node_id 3 for calling the S3FailureTest obj's underlying member method code with example usage: obj.step_all() without return types