tests

TST: add test package depending on a cmake subproject #2370

Job	Run time
mypy	17s
cygwin (3.9)	5m 56s
homebrew (3.8)	2m 47s
msvc (3.11)	3m 1s
homebrew (3.11)	2m 7s
pyston (3.8)	1m 53s
test (ubuntu, 3.7)	2m 19s
test (ubuntu, 3.12)	2m 23s
test (macos, 3.7)	2m 20s
test (macos, 3.12)	2m 57s
test (windows, 3.7)	3m 14s
test (windows, 3.12)	3m 58s
test (ubuntu, pypy-3.9)	4m 29s
test (ubuntu, pypy-3.10)	5m 22s
test (ubuntu, 3.8)	2m 35s
test (ubuntu, 3.9)	2m 4s
test (ubuntu, 3.10)	1m 58s
test (ubuntu, 3.11, ~=0.63.3)	1m 35s
test (ubuntu, 3.11, ~=0.64.0)	1m 38s
test (ubuntu, 3.11, ~=1.0.0)	1m 38s
test (ubuntu, 3.11, ~=1.1.0)	1m 33s
test (ubuntu, 3.12, ~=1.2.3)	2m 15s
test (ubuntu, 3.12, @git+https://github.com/mesonbuild/meson.git)	2m 1s
test (windows, 3.12, @git+https://github.com/mesonbuild/meson.git)	4m 59s
	1h 5m 19s

Provide feedback