Add JS promise test, optimize V8/QuickJs event loop handling (#110) #240

Job	Run time
node-gcc-run (14.x)	28s
android-clang-build	0s
mac-clang-run (V8, Debug)	54s
node-gcc-run (15.x)	31s
ubuntu-gcc-run (V8, Debug)	46s
mac-clang-run (JavaScriptCore, Debug)	43s
node-gcc-run (16.x)	28s
ubuntu-gcc-run (V8, Release)	1m 20s
ubuntu-v8-versions-build (0/8)	4m 1s
mac-clang-run (QuickJs, Debug)	43s
node-gcc-run (18.x)	31s
ubuntu-gcc-run (JavaScriptCore, Debug)	41s
ubuntu-v8-versions-build (1/8)	3m 56s
mac-clang-run (Lua, Debug)	53s
ubuntu-gcc-run (JavaScriptCore, Release)	1m 18s
ubuntu-v8-versions-build (2/8)	3m 56s
mac-clang-run (Empty, Debug)	38s
ubuntu-gcc-run (QuickJs, Debug)	43s
webassembly-emscripten-run (3.0.0)	57s
ubuntu-v8-versions-build (3/8)	4m 12s
ubuntu-gcc-run (QuickJs, Release)	1m 41s
webassembly-emscripten-run (3.1.33)	1m 8s
windows-msvc-run (V8, Debug)	1m 40s
ubuntu-v8-versions-build (4/8)	4m 12s
ubuntu-gcc-run (Lua, Debug)	48s
ubuntu-v8-versions-build (5/8)	4m 23s
windows-msvc-run (V8, Release)	2m 1s
ubuntu-gcc-run (Lua, Release)	1m 18s
ubuntu-v8-versions-build (6/8)	4m 23s
windows-msvc-run (JavaScriptCore, Debug)	1m 52s
ubuntu-gcc-run (Empty, Debug)	33s
ubuntu-v8-versions-build (7/8)	4m 19s
windows-msvc-run (JavaScriptCore, Release)	1m 53s
ubuntu-gcc-run (Empty, Release)	1m 5s
windows-msvc-run (Lua, Debug)	1m 41s
windows-msvc-run (Lua, Release)	1m 58s
windows-msvc-run (Empty, Debug)	1m 41s
windows-msvc-run (Empty, Release)	1m 50s
	1h 6m 5s

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