restructured test codes to stop my IDE from freaking out from java fi… #12

Job	Run time
Security: Disk Cleanup (Storage Exhaustion)	40s
Resilience: Inode Exhaustion Safety	43s
Resilience: Privileged Syscall Denial	38s
Security: Network Namespace (Localhost Bridge)	37s
Resilience: I/O Flood (Bounded Stderr)	31s
Resilience: Orphan Grandchild Reaping	38s
Resource: Fork Bomb Containment	32s
Security: Memory Limit (Hard OOM)	29s
Security: Filesystem Isolation (File Privacy)	35s
Resilience: Signal Trap Uses SIGKILL Timeout	35s
	5m 58s

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