tests: Allow test cases to receive additional parameters

The optional third argument to the test case functions can now be used
to receive additional parameters from run-tests.py. As the initial
parameter, logdir value is provided so that test cases can use it to
review the debug logs from the test run.

Signed-off-by: Jouni Malinen <j@w1.fi>

tests/hwsim/run-tests.py

@@ -340,7 +340,11 @@ def main():
                         conn = None
                     sys.exit(1)
             try:
-                if t.func_code.co_argcount > 1:
+                if t.func_code.co_argcount > 2:
+                    params = {}
+                    params['logdir'] = args.logdir
+                    res = t(dev, apdev, params)
+                elif t.func_code.co_argcount > 1:
                     res = t(dev, apdev)
                 else:
                     res = t(dev)