docs: def step_undefined_step_snippets_should_exist_for_table(context):
      """
      Checks if undefined-step snippets are provided.
  
      EXAMPLE:
          Then undefined-step snippets should exist for:
              | Step |
              | When an undefined step is used |
              | Then another undefined step is used |
      """
      assert context.table, "REQUIRES: table"
      for row in context.table.rows:
          step = row["Step"]
          step_undefined_step_snippet_should_exist_for(context, step)