test_runner: support custom message for expectFailure #3372

Job	Run time
Build slim tarball	2m 36s
aarch64-linux: with shared libraries	28m 58s
aarch64-darwin: with shared libraries	30m 29s
x86_64-darwin: with shared libraries	41m 0s
x86_64-linux: with shared libraries	36m 1s
	2h 19m 4s

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