Use portable temp paths in sync tests #62

Job	Run time
macos-x86_64-local build	2m 11s
linux-musl-arm64-local build + test	3m 8s
macos-arm64-remote build + test	1m 27s
linux-x86_64-local build + test	3m 5s
macos-full build + test	2m 38s
linux-arm64-remote build + test	2m 42s
linux-arm64-full build + test	2m 59s
windows-x86_64-remote build + test	6m 59s
macos-arm64-local build + test	2m 54s
android-armeabi-v7a-remote build	48s
linux-x86_64-remote build + test	1m 22s
windows-x86_64-local build + test	4m 41s
linux-arm64-local build + test	2m 56s
linux-musl-arm64-remote build + test	1m 22s
linux-musl-x86_64-full build + test	4m 35s
linux-musl-arm64-full build + test	3m 17s
macos-remote build + test	1m 44s
android-x86_64-full build + test	4m 22s
android-arm64-v8a-full build	2m 49s
ios-full build	2m 58s
android-x86_64-local build + test	4m 31s
android-arm64-v8a-remote build	1m 2s
macos-x86_64-remote build	1m 16s
macos-x86_64-full build	3m 3s
ios-sim-full build	4m 19s
ios-sim-local build	2m 59s
android-x86_64-remote build + test	2m 52s
android-arm64-v8a-local build	2m 26s
linux-musl-x86_64-remote build + test	1m 28s
macos-arm64-full build + test	3m 9s
macos-local build + test	3m 0s
linux-x86_64-full build + test	3m 15s
ios-remote build	1m 26s
apple-xcframework build	15m 2s
ios-local build	2m 4s
android-aar build	11m 21s
linux-musl-x86_64-local build + test	3m 57s
ios-sim-remote build	1m 39s
windows-x86_64-full build + test	9m 46s
release	0s
	2h 17m 32s

Provide feedback