Exclude more lines from test coverage #4295

Job	Run time
macos-static	2m 32s
windows-mingw-build (32)	1m 14s
windows-mingw-build (64)	1m 7s
windows (32, windows-2019)	5m 38s
windows (32, windows-2022)	5m 53s
windows (64, windows-2019)	4m 44s
cygwin (32)	5m 34s
windows (64, windows-2022)	5m 20s
cygwin (64)	5m 46s
freebsd	5m 55s
unix (ubuntu-22.04, g++, make)	6m 4s
unix (ubuntu-22.04, g++, cmake)	6m 27s
unix (ubuntu-22.04, clang++, make)	4m 26s
unix (ubuntu-22.04, clang++, cmake)	4m 21s
unix (macos-14, clang++, make)	7m 28s
unix (macos-14, clang++, cmake)	6m 9s
windows-mingw-testing (windows-2019, 32)	4m 4s
windows-mingw-testing (windows-2019, 64)	4m 6s
windows-mingw-testing (windows-2022, 32)	4m 37s
windows-mingw-testing (windows-2022, 64)	5m 2s
	1h 36m 27s

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