tests: drivers: uart_async_api: Fix format warnings

Use %zu for size_t to avoid build warning with arm64 compiler

Signed-off-by: Nhut Nguyen <[email protected]>

Author: nhutnguyenkc

tests/drivers/uart/uart_async_api/src/test_uart_async.c

@@ -432,7 +432,7 @@ ZTEST_USER(uart_async_chain_read, test_chained_read)
 			      "TX_DONE timeout");
 		k_msleep(rx_timeout_ms + 10);
 		zassert_equal(rx_data_idx, sizeof(tx_buf),
-				"Unexpected amount of data received %d exp:%d",
+				"Unexpected amount of data received %d exp:%zu",
 				rx_data_idx, sizeof(tx_buf));
 		zassert_equal(memcmp(tx_buf, chained_cpy_buf, sizeof(tx_buf)), 0,
 			      "Buffers not equal exp %s, real %s", tx_buf, chained_cpy_buf);
@@ -1089,22 +1089,22 @@ static ZTEST_BMEM uint8_t tx_buffer[VAR_LENGTH_TX_BUF_SIZE];
 	ret = uart_rx_enable(uart_dev,
 			     (uint8_t *)&var_length_rx_buf_pool[var_length_buf_rx_pool_idx],
 			     buf_len, 2 * USEC_PER_MSEC);
-	zassert_true(ret == 0, "[buff=%d][tx=%d]Failed to enable RX: %d\n", buf_len, tx_len, ret);
+	zassert_true(ret == 0, "[buff=%zu][tx=%zu]Failed to enable RX: %d\n", buf_len, tx_len, ret);
 	var_length_buf_rx_pool_idx += buf_len;
 
 	ret = uart_tx(uart_dev, tx_buffer, tx_len, 100 * USEC_PER_MSEC);
-	zassert_true(ret == 0, "[buff=%d][tx=%d]Failed to TX: %d\n", buf_len, tx_len, ret);
+	zassert_true(ret == 0, "[buff=%zu][tx=%zu]Failed to TX: %d\n", buf_len, tx_len, ret);
 	k_msleep(10);
 
 	uart_rx_disable(uart_dev);
 	zassert_equal(k_sem_take(&rx_disabled, K_MSEC(500)), 0,
-		      "[buff=%d][tx=%d]RX_DISABLED timeout\n", buf_len, tx_len);
+		      "[buff=%zu][tx=%zu]RX_DISABLED timeout\n", buf_len, tx_len);
 
 	zassert_equal(var_length_buf_rx_idx, tx_len,
-		      "[buff=%d][tx=%d]Wrong number of bytes received, got: %d, expected: %d\n",
+		      "[buff=%zu][tx=%zu]Wrong number of bytes received, got: %zu, expected: %zu\n",
 		      buf_len, tx_len, var_length_buf_rx_idx, tx_len);
 	zassert_equal(memcmp((void *)var_length_rx_buf, tx_buffer, tx_len), 0,
-		      "[buff=%d][tx=%d]Buffers not equal\n", buf_len, tx_len);
+		      "[buff=%zu][tx=%zu]Buffers not equal\n", buf_len, tx_len);
 }
 
 ZTEST_USER(uart_async_var_buf_length, test_var_buf_length)