Tests

[o11y] Adjust user span naming #11294

Job	Run time
labels / InternalPRRequired	1s
fixup / block-fixup	10s
lint / bazel	3m 9s
test (linux, ubuntu-22.04) / bazel	9m 20s
test (linux, ubuntu-22.04, -asan) / bazel	3m 37s
test (linux, ubuntu-22.04, -debug) / bazel	8m 25s
test (macOS, macos-15) / bazel	13m 33s
test (windows, windows-2025) / bazel	18m 18s
	56m 33s

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