[native_assets_builder] Fix flaky test #1084

Job	Run time
build (ubuntu, stable, native_assets_builder, false)	5m 11s
build (ubuntu, stable, native_assets_cli, false)	2m 14s
build (ubuntu, stable, native_toolchain_c, false)	3m 16s
build (ubuntu, dev, native_assets_builder, false)	5m 23s
build (ubuntu, dev, native_assets_cli, false)	2m 46s
build (ubuntu, dev, native_toolchain_c, false)	1m 58s
build (macos, stable, native_assets_builder, false)	5m 21s
build (macos, stable, native_assets_cli, false)	1m 4s
build (macos, stable, native_toolchain_c, false)	1m 32s
build (macos, dev, native_assets_builder, false)	4m 7s
build (macos, dev, native_assets_cli, false)	1m 21s
build (macos, dev, native_toolchain_c, false)	2m 3s
build (windows, stable, native_assets_builder, false)	7m 7s
build (windows, stable, native_assets_cli, false)	2m 56s
build (windows, stable, native_toolchain_c, false)	3m 51s
build (windows, dev, native_assets_builder, false)	7m 28s
build (windows, dev, native_assets_cli, false)	2m 58s
build (windows, dev, native_toolchain_c, false)	4m 53s
coverage-finished	5s
	1h 5m 34s

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