Extend the test coverage of FaissIVFIndex #3966

Job	Run time
build-examples	10m 55s
build-fuzzers	8m 43s
build-linux	17m 13s
build-linux-arm	14m 32s
build-linux-clang10-asan	17m 26s
build-linux-clang10-clang-analyze	17m 16s
build-linux-clang10-ubsan	17m 41s
build-linux-clang13-mini-tsan	25m 6s
build-linux-clang-13-no_test_run	7m 7s
build-linux-clang-no_test_run	11m 47s
build-linux-cmake-mingw	12m 41s
build-linux-cmake-with-benchmark	19m 58s
build-linux-cmake-with-folly	28m 23s
build-linux-cmake-with-folly-coroutines	31m 50s
build-linux-cmake-with-folly-lite-no-test	7m 59s
build-linux-encrypted_env-no_compression	16m 20s
build-linux-gcc-10-cxx20-no_test_run	9m 34s
build-linux-gcc-11-no_test_run	10m 20s
build-linux-gcc-8-no_test_run	8m 52s
build-linux-java	15m 36s
build-linux-java-pmd	12m 19s
build-linux-java-static	11m 59s
build-linux-make-with-folly	28m 22s
build-linux-make-with-folly-lite-no-test	9m 40s
build-linux-mini-crashtest	29m 15s
build-linux-release	14m 30s
build-linux-release-rtti	12m 45s
build-linux-static_lib-alt_namespace-status_checked	19m 13s
build-linux-unity-and-headers	13m 49s
build-macos	25m 26s
build-macos-cmake (true)	42m 26s
build-macos-java	17m 59s
build-macos-java-static	25m 42s
build-macos-cmake (false)	43m 35s
build-macos-java-static-universal	29m 9s
build-windows-vs2019	53m 53s
check-format-and-targets	22s
	11h 39m 43s

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