Make mysqli_poll test more deterministic

Handle errors appearing in different order.

Author: nikic

ext/mysqli/tests/mysqli_poll_mixing_insert_select.phpt

@@ -106,7 +106,6 @@ if (!$IS_MYSQLND)
 				// either there is no result (no SELECT) or there is an error
 				if (mysqli_errno($link) > 0) {
 					$saved_errors[$thread_id] = mysqli_errno($link);
-					printf("[003] '%s' caused %d\n", $links[$thread_id]['query'],	mysqli_errno($link));
 				}
 			}
 		}
@@ -115,10 +114,13 @@ if (!$IS_MYSQLND)
 
 	// Checking if all lines are still usable
 	foreach ($links as $thread_id => $link) {
-		if (isset($saved_errors[$thread_id]) &&
-			$saved_errors[$thread_id] != mysqli_errno($link['link'])) {
-			printf("[004] Error state not saved for query '%s', %d != %d\n", $link['query'],
-					$saved_errors[$thread_id], mysqli_errno($link['link']));
+		if (isset($saved_errors[$thread_id])) {
+            printf("[003] '%s' caused %d\n",
+                $links[$thread_id]['query'], $saved_errors[$thread_id]);
+			if ($saved_errors[$thread_id] != mysqli_errno($link['link'])) {
+                printf("[004] Error state not saved for query '%s', %d != %d\n", $link['query'],
+                        $saved_errors[$thread_id], mysqli_errno($link['link']));
+            }
 		}
 
 		if (!$res = mysqli_query($link['link'], 'SELECT * FROM test WHERE id = 100'))