Change starting file descriptor for tests.

#define TEST_CONN_ADDRESS_2     "127.0.0.2"

#define TEST_CONN_PORT          (12345)

#define TEST_CONN_ADDRESS_PORT  "127.0.0.1:12345"

#define TEST_CONN_FD_INIT 50

#define TEST_CONN_FD_INIT       0x10000

void test_conn_lookup_addr_helper(const char *address,

                                  int family, tor_addr_t *addr);