Random test failure in `recursively_enumerated_set`

[tobiasdiez]

src/bin/sage -t --warn-long 5.0 --random-seed=242129679110328095089183476198736088479 src/sage/sets/recursively_enumerated_set.pyx
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Error: Failed example:: Exception raised:
Traceback (most recent call last):
  File "/Users/runner/miniconda3/envs/sage-dev/lib/python3.12/site-packages/sage/doctest/forker.py", line 734, in _run
    self.compile_and_execute(example, compiler, test.globs)
  File "/Users/runner/miniconda3/envs/sage-dev/lib/python3.12/site-packages/sage/doctest/forker.py", line 1158, in compile_and_execute
    exec(compiled, globs)
  File "<doctest sage.sets.recursively_enumerated_set.RecursivelyEnumeratedSet_symmetric.graded_component_iterator[18]>", line 1, in <module>
    with ensure_interruptible_after(RealNumber('0.02')): next(it)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/runner/miniconda3/envs/sage-dev/lib/python3.12/contextlib.py", line 144, in __exit__
    next(self.gen)
  File "/Users/runner/miniconda3/envs/sage-dev/lib/python3.12/site-packages/sage/doctest/util.py", line 907, in ensure_interruptible_after
    raise RuntimeError(f"Function terminates early after {elapsed:.4f} < {seconds:.4f} seconds")
RuntimeError: Function terminates early after 0.1295 < 0.0200 seconds

    with ensure_interruptible_after(0.02): next(it)
Exception raised:
    Traceback (most recent call last):
      File "/Users/runner/miniconda3/envs/sage-dev/lib/python3.12/site-packages/sage/doctest/forker.py", line 734, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/Users/runner/miniconda3/envs/sage-dev/lib/python3.12/site-packages/sage/doctest/forker.py", line 1158, in compile_and_execute
        exec(compiled, globs)
      File "<doctest sage.sets.recursively_enumerated_set.RecursivelyEnumeratedSet_symmetric.graded_component_iterator[18]>", line 1, in <module>
        with ensure_interruptible_after(RealNumber('0.02')): next(it)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "/Users/runner/miniconda3/envs/sage-dev/lib/python3.12/contextlib.py", line 144, in __exit__
        next(self.gen)
      File "/Users/runner/miniconda3/envs/sage-dev/lib/python3.12/site-packages/sage/doctest/util.py", line 907, in ensure_interruptible_after
        raise RuntimeError(f"Function terminates early after {elapsed:.4f} < {seconds:.4f} seconds")
    RuntimeError: Function terminates early after 0.1295 < 0.0200 seconds
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Error: Failed example:: Got: {-3, 3}
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
    next(it)
Expected:
    Traceback (most recent call last):
    ...
    StopIteration
Got:
    {-3, 3}
**********************************************************************
1 item had failures:
   2 of  21 in sage.sets.recursively_enumerated_set.RecursivelyEnumeratedSet_symmetric.graded_component_iterator
    [374 tests, 2 failures, 3.98s wall]

https://github.com/sagemath/sage/actions/runs/18892694891/job/53923654635?pr=41080#step:15:8950
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