tests: drivers: udc: fix udc_ep_try_config() test

Behavior of udc_ep_try_config() is changed by the commit e60a4ef
("drivers: udc: do not update MPS for isochronous endpoints"),
update test case accordingly.

Signed-off-by: Johann Fischer <[email protected]>

Author: jfischer-no

tests/drivers/udc/src/main.c

@@ -95,6 +95,15 @@ static void test_udc_ep_try_config(const struct device *dev,
 				ed->bInterval);
 	zassert_equal(err, 0, "Failed to test endpoint configuration");
 
+	if (ed->bmAttributes == USB_EP_TYPE_CONTROL ||
+	    ed->bmAttributes == USB_EP_TYPE_ISO) {
+		/*
+		 * Skip subsequent test since udc_ep_try_config() does not
+		 * update mps argument for control and iso endpoints.
+		 */
+		return;
+	}
+
 	mps = 0;
 	err = udc_ep_try_config(dev, ed->bEndpointAddress,
 				ed->bmAttributes, &mps,