Improve acceptance test namespace #816

Job	Run time
build / Compile Java Meterpreter	0s
build / python 3.6 macos-13	2m 45s
build / python 3.11 macos-13	2m 31s
build / java 8 macos-13	2m 58s
build / java 21 macos-13	3m 20s
build / php 5.3 macos-13	3m 13s
build / php 7.4 macos-13	3m 12s
build / php 8.3 macos-13	2m 58s
build / python 3.6 windows-2019	4m 41s
build / python 3.11 windows-2019	3m 59s
build / java 8 windows-2019	4m 51s
build / java 21 windows-2019	5m 30s
build / php 5.3 windows-2019	8m 50s
build / php 7.4 windows-2019	4m 22s
build / php 8.3 windows-2019	3m 31s
build / python 3.6 ubuntu-20.04	1m 49s
build / python 3.11 ubuntu-20.04	1m 35s
build / java 8 ubuntu-20.04	1m 33s
build / java 21 ubuntu-20.04	1m 27s
build / php 5.3 ubuntu-20.04	1m 34s
build / php 7.4 ubuntu-20.04	1m 32s
build / php 8.3 ubuntu-20.04	1m 35s
build / windows_meterpreter windows-2019	5m 24s
build / windows_meterpreter windows-2022	5m 58s
build / mettle macos-13	2m 38s
build / mettle ubuntu-20.04	1m 55s
build / Generate report	55s
	1h 24m 36s

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