"Hermetise" bazel-java tests #845

Job	Run time
Build and test cmake:gcc9	33s
Build and test cmake:clang15	39s
Build and test cmake:clang15:asan	49s
Build and test cmake:clang15:tsan	50s
Build and test cmake:clang15:ubsan	56s
Build and test cmake:qemu-arm-neon-gcc	1m 1s
Build and test cmake-osx:clang	22s
Build and test cmake-osx:gcc	25s
Build and test cmake-win64:msvc-rel	1m 12s
Build and test cmake-win64:msvc-dbg	1m 12s
Build and test fuzz:clang15	32s
Build and test python3.10:clang15	1m 47s
Build and test python3.10-win	53s
Build and test maven	28s
Build and test bazel:root	34s
Build and test bazel:go	1m 2s
Build and test bazel:java	2m 13s
Build and test bazel:research	27s
Build and test bazel-osx:root	1m 18s
Build and test bazel-osx:go	1m 21s
Build and test bazel-osx:java	2m 10s
Build and test bazel-osx:research	57s
Build and test bazel-win:root	1m 19s
Build and test bazel-win:java	2m 57s
Build and test bazel-win:research	1m 29s
	27m 26s

Provide feedback