tests

Editable install: do not show any output in verbose mode when there is no work to do #2342

Job	Run time
cygwin (3.9)	6m 11s
test (ubuntu, 3.7)	41s
homebrew (3.8)	2m 24s
test (ubuntu, 3.12)	1m 49s
mypy	23s
homebrew (3.11)	2m 48s
msvc (3.11)	3m 12s
test (macos, 3.7)	38s
pyston (3.8)	1m 12s
test (macos, 3.12)	2m 36s
test (windows, 3.7)	46s
test (windows, 3.12)	4m 27s
test (ubuntu, pypy-3.9)	5m 11s
test (ubuntu, pypy-3.10)	4m 43s
test (ubuntu, 3.8)	1m 34s
test (ubuntu, 3.9)	1m 38s
test (ubuntu, 3.10)	1m 39s
test (ubuntu, 3.11, ~=0.63.3)	1m 38s
test (ubuntu, 3.11, ~=0.64.0)	1m 46s
test (ubuntu, 3.11, ~=1.0.0)	1m 42s
test (ubuntu, 3.11, ~=1.1.0)	1m 40s
test (ubuntu, 3.12, ~=1.2.3)	1m 43s
test (ubuntu, 3.12, @git+https://github.com/mesonbuild/meson.git)	1m 54s
test (windows, 3.12, @git+https://github.com/mesonbuild/meson.git)	4m 48s
	57m 3s

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