Update test_path_tracing.cpp #14

Job	Run time
macOS / Release / homebrew-clang	1m 3s
Windows / Release / cl	16m 35s
Ubuntu / Release / gcc	3m 16s
macOS / Debug / homebrew-clang	56s
Windows / Release / clang	17m 28s
Ubuntu / Debug / gcc	2m 43s
Windows / Release / clang-cl	15m 35s
macOS / Release / system-clang	56s
Ubuntu / Release / clang	2m 34s
Windows / Debug / cl	16m 52s
macOS / Debug / system-clang	56s
Ubuntu / Debug / clang	2m 40s
Windows / Debug / clang	14m 39s
Windows / Debug / clang-cl	14m 33s
	1h 50m 46s

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