Merge pull request #10024 from miri64/tests/fix/gnrc_sixlowpan-test-stacksize

tests/gnrc_sixlowpan: fix stacksize of dummy device

tests/gnrc_sixlowpan/main.c

@@ -38,7 +38,7 @@
 
 #define IEEE802154_MAX_FRAG_SIZE    (102)
 
-static char _netif_stack[THREAD_STACKSIZE_SMALL];
+static char _netif_stack[THREAD_STACKSIZE_DEFAULT];
 static netdev_test_t _ieee802154_dev;
 
 static int _get_netdev_device_type(netdev_t *netdev, void *value, size_t max_len)
@@ -80,7 +80,7 @@ static void _init_interface(void)
     netdev_test_set_get_cb(&_ieee802154_dev, NETOPT_SRC_LEN,
                            _get_netdev_src_len);
     netif = gnrc_netif_ieee802154_create(
-            _netif_stack, THREAD_STACKSIZE_SMALL, GNRC_NETIF_PRIO,
+            _netif_stack, THREAD_STACKSIZE_DEFAULT, GNRC_NETIF_PRIO,
             "dummy_netif", (netdev_t *)&_ieee802154_dev);
     ipv6_addr_t addr = IPV6_ADDR_UNSPECIFIED;