adjust random tests for generators of elliptic curves #35787
Merged
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#35626 introduced a test failure on some machines as some tests return random choices of generators of Mordell-Weil groups for elliptic curves.
This adds "random" to these tests and add some tests that do test if the returned answer is correct. This is only possible when the rank is 1 (and the returned point must be in a finite set). For larger ranks at best we can test if the number of generators is ok and if the points are saturated.