Repair kvssink unit tests and CI #877

Job	Run time
address-sanitizer	31m 9s
arm32-cross-compilation	8m 25s
arm64-cross-compilation	8m 48s
linux-aarch64-cross-compilation	8m 28s
linux-build-gcc-static	9m 8s
linux-build-gcc-shared	1m 19s
linux-gcc-code-coverage	31m 44s
mac-os-build-clang	45m 48s
ubuntu-gcc	30m 20s
mac-os-build-gcc	46m 31s
undefined-behavior-sanitizer	30m 11s
windows-msvc	36m 33s
	4h 48m 24s

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