tests: Remove separateDepthStencilLayouts from init #10189

Job	Run time
code-format	27s
check_vvl	1m 13s
androidOnLinux	3m 2s
Ubuntu Backcompat	9m 2s
linux (address sanitizer, debug, robinhood ON )	31m 47s
linux (address sanitizer, release, robinhood ON )	20m 44s
linux (thread sanitizer, release, robinhood ON )	5m 53s
linux (address sanitizer, release, robinhood OFF )	19m 55s
windows (amd64)	10m 39s
windows (amd64_x86)	9m 55s
android (arm64-v8a, ON, c++_shared)	8m 40s
chromium (target_os="linux" target_cpu="x64")	7m 43s
android (armeabi-v7a, OFF, c++_static)	2m 5s
mingw	1m 51s
chromium (target_os="android" target_cpu="arm64")	10m 57s
iOS	2m 33s
androidUpload	46s
windowsUpload	14m 37s
linux Upload	2m 49s
	2h 44m 38s

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