Gemalto Crinterion UDP test adjustments

Adjusting the tests to match the cellular modems ELS61-E2 and BGS2-W requirements.

Author: michalpasztamobica

TESTS/netsocket/udp/udpsocket_echotest.cpp

@@ -109,6 +109,10 @@ void udpsocket_echotest_nonblock_receiver(void *receive_bytes)
             wait_ms(WAIT2RECV_TIMEOUT);
             --retry_cnt;
             continue;
+        } else if (recvd < 0) {
+            printf("sock.recvfrom returned %d\n", recvd);
+            TEST_FAIL();
+            break;
         } else if (recvd == expt2recv) {
             break;
         }

TESTS/netsocket/udp/udpsocket_sendto_timeout.cpp

@@ -43,12 +43,14 @@ void UDPSOCKET_SENDTO_TIMEOUT()
     TEST_ASSERT_EQUAL(sizeof(tx_buffer), sent);
     TEST_ASSERT(timer.read_ms() <= 100);
 
+    sock.set_timeout(1000);
+
     timer.reset();
     timer.start();
     sent = sock.sendto(udp_addr, tx_buffer, sizeof(tx_buffer));
     timer.stop();
     TEST_ASSERT_EQUAL(sizeof(tx_buffer), sent);
-    TEST_ASSERT(timer.read_ms() <= 100);
+    TEST_ASSERT(timer.read_ms() <= 1000);
     printf("MBED: Time taken: %fs\n", timer.read());
 
     TEST_ASSERT_EQUAL(NSAPI_ERROR_OK, sock.close());