utils: make all tests consistent in verbosity

This patch adjusts the verbosity of several of the utils tests,
to make them all consistently verbose.

Signed-off-by: Steve Beattie <steve@nxnw.org>
Acked-by: Seth Arnold <seth.arnold@canonical.com>

utils/test/test-aa-decode.py

@@ -200,4 +200,4 @@ type=AVC msg=audit(1348982148.195:2933): apparmor="DENIED" operation="file_lock"
 if __name__ == '__main__':
     if 'APPARMOR_DECODE' in os.environ:
         aadecode_bin = os.environ['APPARMOR_DECODE']
-    unittest.main()
+    unittest.main(verbosity=2)