create userland tests

Fix some more tabs.

Parse the "Simulated exit code not 0!" string in gem5 and exit with the proper status

test-gdb

@@ -1,6 +1,5 @@
 #!/usr/bin/env python3
 
-import functools
 import threading
 import os
 
@@ -29,13 +28,15 @@ class Main(common.LkmcCliFunction):
                         arch=arch,
                         background=True,
                         baremetal=test_script_noext,
-                        print_time=False,
                         emulator=emulator,
                         wait_gdb=True
                     ))
                     run_thread.start()
                     run_gdb(
-                        arch=arch, baremetal=test_script_noext, print_time=False, emulator=emulator, test=True
+                        arch=arch,
+                        baremetal=test_script_noext,
+                        emulator=emulator,
+                        test=True,
                     )
                     run_thread.join()