test: vlan: fix run exception for mimxrt1060_evk

add extra size for test

fixes: #84424

Signed-off-by: Hake Huang <[email protected]>

Author: hakehuang

tests/net/vlan/testcase.yaml

@@ -15,3 +15,4 @@ tests:
     extra_configs:
       - CONFIG_NET_L2_ETHERNET_RESERVE_HEADER=y
       - CONFIG_NET_BUF_VARIABLE_DATA_SIZE=y
+      - CONFIG_TEST_EXTRA_STACK_SIZE=1024