Bug#43828, Bug#59494.

After introducing new way of initialization of replication the setting different heartbeat periods for slaves was missed.
Added asserts

mysql-test/suite/rpl/r/rpl_heartbeat_2slaves.result

@@ -2,13 +2,21 @@ include/rpl_init.inc [topology=1->2,1->3]
 include/rpl_connect.inc [creating master]
 include/rpl_connect.inc [creating slave_1]
 include/rpl_connect.inc [creating slave_2]
+include/stop_slave.inc
+CHANGE MASTER TO MASTER_HEARTBEAT_PERIOD = 0.1;
+include/start_slave.inc
+include/stop_slave.inc
+CHANGE MASTER TO MASTER_HEARTBEAT_PERIOD = 1;
+include/start_slave.inc
 Slave has received heartbeat event
-slave_2 has received heartbeat event
-slave_1 has received more heartbeats than slave_2 (1 means 'yes'): 0
+include/assert.inc [slave_1 should have received more heartbeats than slave_2]
 
 include/rpl_stop_slaves.inc
 include/rpl_change_topology.inc [new topology=1->3->2]
 include/rpl_start_slaves.inc
+include/stop_slave.inc
+CHANGE MASTER TO MASTER_HEARTBEAT_PERIOD=0.1;
+include/start_slave.inc
 slave_1 has received heartbeat event
 [on master]
 CREATE TABLE t1 (a INT PRIMARY KEY, b VARCHAR(10), c LONGTEXT);
@@ -26,7 +34,7 @@ Tables_in_test
 [on master]
 creating updates on master and send to slave_2 during 5 second
 [on slave_1]
-slave_1 has received heartbeats (1 means 'yes'): 0
+include/assert.inc [slave_1 should have received heartbeats]
 
 *** Clean up ***
 DROP TABLE t1;

mysql-test/suite/rpl/t/rpl_heartbeat_2slaves.test

@@ -20,7 +20,19 @@
 --source include/rpl_connect.inc
 
 #
-# Testing heartbeat
+# Set different heartbeat periods for slaves
+#
+--connection slave_1
+--source include/stop_slave.inc
+CHANGE MASTER TO MASTER_HEARTBEAT_PERIOD = 0.1;
+--source include/start_slave.inc
+--connection slave_2
+--source include/stop_slave.inc
+CHANGE MASTER TO MASTER_HEARTBEAT_PERIOD = 1;
+--source include/start_slave.inc
+
+#
+# Testing heartbeat for one master and two slaves
 #
 
 # Check that heartbeat events sent to both slaves with correct periods
@@ -35,15 +47,11 @@ let $status_var= slave_received_heartbeats;
 let $status_var_value= query_get_value(SHOW STATUS LIKE 'slave_received_heartbeats', Value, 1);
 let $status_var_comparsion= >;
 --source include/wait_for_status_var.inc
-let $slave_2_rcvd_heartbeats= query_get_value(SHOW STATUS LIKE 'slave_received_heartbeats', Value, 1);
---echo slave_2 has received heartbeat event
---connection slave_1
-let $slave_1_rcvd_heartbeats= query_get_value(SHOW STATUS LIKE 'slave_received_heartbeats', Value, 1);
-let $result= query_get_value(SELECT ($slave_1_rcvd_heartbeats DIV $slave_2_rcvd_heartbeats) > 1 AS Result, Result, 1);
---echo slave_1 has received more heartbeats than slave_2 (1 means 'yes'): $result
+--let $assert_cond= [slave_1:SHOW STATUS LIKE "slave_received_heartbeats", Value, 1] > [slave_2:SHOW STATUS LIKE "slave_received_heartbeats", Value, 1]
+--let $assert_text= slave_1 should have received more heartbeats than slave_2
+--source include/assert.inc
 --echo
 
-
 # Create topology master->slave_2->slave_1 and check that slave_1
 # receives heartbeat while slave_2 gets data.
 
@@ -54,6 +62,10 @@ let $result= query_get_value(SELECT ($slave_1_rcvd_heartbeats DIV $slave_2_rcvd_
 --let $rpl_topology= 1->3->2
 --source include/rpl_change_topology.inc
 --source include/rpl_start_slaves.inc
+--connection slave_1
+--source include/stop_slave.inc
+CHANGE MASTER TO MASTER_HEARTBEAT_PERIOD=0.1;
+--source include/start_slave.inc
 
 # Check heartbeat for new replication channel slave_2->slave
 let $status_var= slave_received_heartbeats;
@@ -93,8 +105,6 @@ while ($i) {
     let $time_before = `SELECT NOW()`;
   }
   if (`SELECT ((1-$k)*TIMESTAMPDIFF(SECOND,'$time_before',NOW())) > 5`) {
-    --connection slave_1
-    let $slave_1_rcvd_heartbeats_after= query_get_value(SHOW STATUS LIKE 'slave_received_heartbeats', Value, 1);    
     let $i= 0;
   }
   --connection master
@@ -104,8 +114,9 @@ while ($i) {
 --enable_query_log
 --connection slave_1
 --echo [on slave_1]
-let $result= query_get_value(SELECT ($slave_1_rcvd_heartbeats_after - $slave_1_rcvd_heartbeats_before) > 0 AS Result, Result, 1);
---echo slave_1 has received heartbeats (1 means 'yes'): $result
+--let $assert_cond= [SHOW STATUS LIKE "slave_received_heartbeats", Value, 1] > $slave_1_rcvd_heartbeats_before
+--let $assert_text= slave_1 should have received heartbeats
+--source include/assert.inc
 --echo
 
 #