tests

Improve stubs in av.container #1148

Job	Run time
py-3.8 lib-6.1 windows-latest	3m 47s
style	17s
py-3.8 lib-6.0 windows-latest	3m 26s
py-3.8 lib-6.1 ubuntu-latest	5m 17s
py-3.8 lib-6.0 ubuntu-latest	4m 2s
package-source	18s
py-3.8 lib-5.1 ubuntu-latest	4m 31s
py-3.8 lib-5.1 windows-latest	2m 54s
py-3.8 lib-5.0 ubuntu-latest	4m 8s
py-pypy3.9 lib-6.1 ubuntu-latest	4m 19s
py-3.8 lib-5.0 windows-latest	3m 49s
package-wheel (macos-latest, arm64)	26m 53s
py-3.8 lib-6.1 macos-latest	8m 53s
package-wheel (macos-latest, x86_64)	46m 32s
package-wheel (ubuntu-latest, aarch64)	3h 26m 23s
package-wheel (ubuntu-latest, i686)	22m 12s
package-wheel (ubuntu-latest, x86_64)	21m 10s
package-wheel (windows-latest, AMD64)	16m 28s
publish	42s
	6h 26m 1s

Provide feedback