Refactor hypothesis multi-geometry tests to avoid code duplication #1461

Job	Run time
doctest-lxml (3.12)	14s
cpython (3.8)	53s
pypy (pypy-3.8)	1m 11s
cpython-lxml (3.8)	1m 24s
cpython (3.9)	54s
pypy (pypy-3.9)	54s
cpython-lxml (3.9)	1m 18s
cpython (3.10)	54s
pypy (pypy-3.10)	55s
static-tests (3.12)	28s
cpython-lxml (3.10)	1m 23s
cpython (3.11)	51s
cpython-lxml (3.11)	1m 43s
cpython (3.12)	57s
cpython-lxml (3.12)	1m 58s
cpython (3.13-dev)	1m 4s
cpython (3.14-dev)	1m 8s
cpython-lxml (3.13-dev)	2m 14s
Build and publish to PyPI and TestPyPI	1s
	20m 24s

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