First attempt at redis_ippool test conversion #760

Job	Run time
pre-ci	6s
master-gh-ubuntu20-linux-gcc-lean	5m 15s
master-gh-ubuntu20-linux-gcc	5m 29s
master-gh-ubuntu20-linux-gcc-O2-g3	5m 34s
master-gh-ubuntu20-linux-gcc-ndebug	4m 46s
master-gh-ubuntu20-linux-clang-lean	11m 28s
master-gh-ubuntu20-linux-clang	11m 42s
master-gh-ubuntu20-linux-clang-O2-g3	12m 49s
master-gh-ubuntu20-linux-clang-ndebug	10m 53s
master-gh-ubuntu20-linux-clang-altlibs	14m 58s
master-gh-ubuntu20-linux-fuzzer	26m 42s
Merge preflight	0s
Merge into upstream	0s
	1h 49m 42s

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