tester is better, but still cannot reproduce trace error

logs/test_2.txt

@@ -1,12 +1,12 @@
-received 2 : client 7: hulli
-received 2 : server: client 7 just arrived
-received 2 : server: client 7 just left
-received 1 : client 6: holla
-received 1 : client 7: hulli
-received 1 : server: client 6 just arrived
-received 1 : server: client 6 just left
-received 1 : server: client 7 just arrived
-received 1 : server: client 7 just left
+received 0 : client 7: hulli
+received 0 : server: client 7 just arrived
+received 0 : server: client 7 just left
+received 0 : client 6: holla
+received 0 : client 7: hulli
+received 0 : server: client 6 just arrived
+received 0 : server: client 6 just left
+received 0 : server: client 7 just arrived
+received 0 : server: client 7 just left
 received 0 : client 5: hello
 received 0 : client 6: holla
 received 0 : client 7: hulli

logs/test_2_compare.txt

@@ -1,12 +1,12 @@
-received 2 : client 7: hulli
-received 2 : server: client 7 just arrived
-received 2 : server: client 7 just left
-received 1 : client 6: holla
-received 1 : client 7: hulli
-received 1 : server: client 6 just arrived
-received 1 : server: client 6 just left
-received 1 : server: client 7 just arrived
-received 1 : server: client 7 just left
+received 0 : client 7: hulli
+received 0 : server: client 7 just arrived
+received 0 : server: client 7 just left
+received 0 : client 6: holla
+received 0 : client 7: hulli
+received 0 : server: client 6 just arrived
+received 0 : server: client 6 just left
+received 0 : server: client 7 just arrived
+received 0 : server: client 7 just left
 received 0 : client 5: hello
 received 0 : client 6: holla
 received 0 : client 7: hulli

logs/test_3.txt

@@ -1,12 +1,3 @@
-received 1 : client 10:
-received 1 : client 10: line 1
-received 1 : client 10: line 2
-received 1 : client 10: line 4
-received 1 : client 10: line 5
-received 1 : client 9:
-received 1 : server: client 10 just arrived
-received 1 : server: client 10 just left
-received 1 : server: client 9 just arrived
 received 0 : client 10:
 received 0 : client 10: line 1
 received 0 : client 10: line 2
@@ -14,4 +5,17 @@ received 0 : client 10: line 4
 received 0 : client 10: line 5
 received 0 : server: client 10 just arrived
 received 0 : server: client 10 just left
-received 0 : server: client 8 just left
+received 0 : client 10:
+received 0 : client 10: line 1
+received 0 : client 10: line 2
+received 0 : client 10: line 4
+received 0 : client 10: line 5
+received 0 : client 9:
+received 0 : client 9: line 1
+received 0 : client 9: line 2
+received 0 : client 9: line 4
+received 0 : client 9: line 5
+received 0 : server: client 10 just arrived
+received 0 : server: client 10 just left
+received 0 : server: client 9 just arrived
+received 0 : server: client 9 just left

logs/test_3_compare.txt

@@ -1,10 +1,10 @@
-received 1 : client 10:
-received 1 : client 10: line 1
-received 1 : client 10: line 2
-received 1 : client 10: line 4
-received 1 : client 10: line 5
-received 1 : server: client 10 just arrived
-received 1 : server: client 10 just left
+received 0 : client 10:
+received 0 : client 10: line 1
+received 0 : client 10: line 2
+received 0 : client 10: line 4
+received 0 : client 10: line 5
+received 0 : server: client 10 just arrived
+received 0 : server: client 10 just left
 received 0 : client 10:
 received 0 : client 10: line 1
 received 0 : client 10: line 2