Run internal tests in Cygwin #3155

Job	Run time
cygwin (32)	6m 4s
macos-static	2m 9s
cygwin (64)	4m 27s
unix (ubuntu-20.04, g++, make)	5m 37s
windows (32, windows-2019)	5m 20s
unix (ubuntu-20.04, g++, cmake)	6m 7s
windows (32, windows-2022)	6m 2s
windows-mingw-build (32)	1m 4s
unix (ubuntu-20.04, clang++, make)	6m 33s
windows (64, windows-2019)	4m 31s
windows-mingw-build (64)	58s
unix (ubuntu-20.04, clang++, cmake)	6m 20s
windows (64, windows-2022)	5m 24s
unix (ubuntu-22.04, g++, make)	5m 57s
unix (ubuntu-22.04, g++, cmake)	6m 34s
unix (ubuntu-22.04, clang++, make)	4m 15s
unix (ubuntu-22.04, clang++, cmake)	4m 30s
unix (macos-14, clang++, make)	6m 20s
unix (macos-14, clang++, cmake)	7m 10s
windows-mingw-testing (windows-2019, 32)	4m 8s
windows-mingw-testing (windows-2019, 64)	3m 36s
windows-mingw-testing (windows-2022, 32)	4m 45s
windows-mingw-testing (windows-2022, 64)	4m 13s
	1h 52m 4s

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