Set timeout to 4 minutes.

Wifi connections and scanning takes long time. 2 minutes might not be enough.

Author: Seppo Takalo

TESTS/network/wifi/main.cpp

@@ -7,7 +7,7 @@
 using namespace utest::v1;
 
 utest::v1::status_t test_setup(const size_t number_of_cases) {
-    GREENTEA_SETUP(120, "default_auto");
+    GREENTEA_SETUP(240, "default_auto");
     return verbose_test_setup_handler(number_of_cases);
 }