Fix incorrect doctest introduced in #29978 #32771
Description
From #32544:
sage -t --long --random-seed=23747002002644886606785003174022326205 src/sage/modules/free_module_integer.py
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File "src/sage/modules/free_module_integer.py", line 370, in sage.modules.free_module_integer.FreeModule_submodule_with_basis_integer.LLL
Failed example:
new_min <= old_min
Expected:
True
Got:
False
CC: @mwageringel
Component: modular forms
Author: Jonathan Kliem
Branch/Commit: 0e87ca6
Reviewer: Markus Wageringel
Issue created by migration from https://trac.sagemath.org/ticket/32771