Add TEST_FAIL() to aes_encrypt_init() with internal crypto

This is needed for the hwsim test cases ap_wpa2_eap_psk_oom and
ap_wpa2_eap_sim_oom.

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

src/crypto/aes-internal-enc.c

@@ -99,6 +99,10 @@ void * aes_encrypt_init(const u8 *key, size_t len)
 {
 	u32 *rk;
 	int res;
+
+	if (TEST_FAIL())
+		return NULL;
+
 	rk = os_malloc(AES_PRIV_SIZE);
 	if (rk == NULL)
 		return NULL;