tests: Make pmksa_cache_preauth_auto more robust

It is fine for the station to associate with either AP in this test
case, so do not force AP side connection check with apdev[0].

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

tests/hwsim/test_ap_eap.py

@@ -149,6 +149,7 @@ def eap_connect(dev, hapd, method, identity,
                    expect_cert_error=expect_cert_error)
     if expect_failure:
         return id
+    if hapd:
         ev = hapd.wait_event(["AP-STA-CONNECTED"], timeout=5)
         if ev is None:
             raise Exception("No connection event received from hostapd")

tests/hwsim/test_pmksa_cache.py

@@ -455,7 +455,7 @@ def run_pmksa_cache_preauth_auto(dev, apdev):
     hapd.cmd_execute(['ip', 'link', 'set', 'dev', 'ap-br0', 'up'])
     hapd2 = hostapd.add_ap(apdev[1], params)
 
-    eap_connect(dev[0], hapd, "PAX", "pax.user@example.com",
+    eap_connect(dev[0], None, "PAX", "pax.user@example.com",
                 password_hex="0123456789abcdef0123456789abcdef")
 
     found = False