Add descriptions and expected behavior to exploit test docstrings

Co-Authored-By: Claude <noreply@anthropic.com>

Author: koki-develop

tests/fallocate.py

@@ -3,6 +3,8 @@
     Writing a large file to disk in the jobs directory, exhausting the
     space will temporarly disable other jobs to be started.
 
+    The sandbox should reject the write with a "File too large" error
+
 Discovered by
     Discord     Derpius#9144
 """

tests/fork.py

@@ -1,3 +1,11 @@
+"""
+Description
+    Fork bomb that recursively spawns processes to exhaust system resources
+
+    The sandbox should kill the process before it destabilizes the system
+
+"""
+
 import os
 while True:
     try:

tests/network.py

@@ -2,6 +2,8 @@
 Description
     Accessing external resources could be potentially dangerous
 
+    The sandbox should block all outbound network access
+
 """
 
 import urllib.request

tests/runaway_output.py

@@ -1,2 +1,10 @@
+"""
+Description
+    Infinite loop printing to stdout to exhaust memory and disk via output capture
+
+    The sandbox should kill the process once output exceeds the allowed limit
+
+"""
+
 while True:
     print("Piston is secure")