diff --git a/mysql-test/suite/galera/r/galera_split_brain.result b/mysql-test/suite/galera/r/galera_split_brain.result
index 615615040feb7..6473f95735b94 100644
--- a/mysql-test/suite/galera/r/galera_split_brain.result
+++ b/mysql-test/suite/galera/r/galera_split_brain.result
@@ -2,4 +2,3 @@ call mtr.add_suppression("WSREP: TO isolation failed for: ");
 Killing server ...
 CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
 ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
-SET GLOBAL wsrep_cluster_address = '';
diff --git a/mysql-test/suite/galera/r/galera_var_cluster_address.result b/mysql-test/suite/galera/r/galera_var_cluster_address.result
index f8bd869f8fe9e..17b5a7bca3733 100644
--- a/mysql-test/suite/galera/r/galera_var_cluster_address.result
+++ b/mysql-test/suite/galera/r/galera_var_cluster_address.result
@@ -1,6 +1,6 @@
 SET GLOBAL wsrep_cluster_address = 'foo://';
 SET SESSION wsrep_sync_wait=0;
-SELECT * FROM INFORMATION_SCHEMA.GLOBAL_STATUS;
+SELECT COUNT(*) > 0 FROM INFORMATION_SCHEMA.GLOBAL_STATUS;
 ERROR 08S01: WSREP has not yet prepared node for application use
 SHOW STATUS LIKE 'wsrep_ready';
 Variable_name	Value
@@ -20,32 +20,20 @@ VARIABLE_VALUE = 1
 SELECT VARIABLE_VALUE = 'Primary' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_status';
 VARIABLE_VALUE = 'Primary'
 1
-SET GLOBAL wsrep_cluster_address = @@wsrep_cluster_address;
-SELECT VARIABLE_VALUE = 'Primary' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_status';
-VARIABLE_VALUE = 'Primary'
-1
-SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
-VARIABLE_VALUE = 2
-1
-SET GLOBAL wsrep_cluster_address = 'gcomm://192.0.2.1';
-SELECT * FROM INFORMATION_SCHEMA.GLOBAL_STATUS;
-ERROR 08S01: WSREP has not yet prepared node for application use
-SHOW STATUS LIKE 'wsrep_ready';
-Variable_name	Value
-wsrep_ready	OFF
-SHOW STATUS LIKE 'wsrep_cluster_status';
-Variable_name	Value
-wsrep_cluster_status	non-Primary
-SHOW STATUS LIKE 'wsrep_local_state';
-Variable_name	Value
-wsrep_local_state	0
-SHOW STATUS LIKE 'wsrep_local_state_comment';
-Variable_name	Value
-wsrep_local_state_comment	Initialized
-SET GLOBAL wsrep_cluster_address = @@wsrep_cluster_address;
 SELECT VARIABLE_VALUE = 'Primary' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_status';
 VARIABLE_VALUE = 'Primary'
 1
 SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
 VARIABLE_VALUE = 2
 1
+CALL mtr.add_suppression("Backend not supported: foo");
+CALL mtr.add_suppression("Failed to initialize backend using 'foo");
+CALL mtr.add_suppression("Failed to open channel 'my_wsrep_cluster' at 'foo");
+CALL mtr.add_suppression("gcs connect failed: Socket type not supported");
+CALL mtr.add_suppression("wsrep::connect\\(\\) failed: 7");
+CALL mtr.add_suppression("gcs_caused\\(\\) returned -103 \\(Software caused connection abort\\)");
+CALL mtr.add_suppression("failed to open gcomm backend connection: 110: failed to reach primary view: 110");
+CALL mtr.add_suppression("Failed to open backend connection: -110 \\(Connection timed out\\)");
+CALL mtr.add_suppression("gcs connect failed: Connection timed out");
+CALL mtr.add_suppression("WSREP: wsrep::connect\\(foo://\\) failed: 7");
+# End of test
diff --git a/mysql-test/suite/galera/r/galera_var_dirty_reads.result b/mysql-test/suite/galera/r/galera_var_dirty_reads.result
index 6a2aa1eb5e71e..c0ffb2d48609e 100644
--- a/mysql-test/suite/galera/r/galera_var_dirty_reads.result
+++ b/mysql-test/suite/galera/r/galera_var_dirty_reads.result
@@ -18,19 +18,22 @@ SET @@session.wsrep_dirty_reads=ON;
 SELECT * FROM t1;
 i
 1
+#
+# MDEV-11016: wsrep_node_is_ready() check is too strict
+#
 SET @@session.wsrep_dirty_reads=OFF;
 SELECT 2;
 2
 2
-SELECT @@max_allowed_packet;
-@@max_allowed_packet
-4194304
 SELECT 2+2 from DUAL;
 2+2
 4
-SELECT sysdate() from DUAL;
-sysdate()
-2016-10-28 23:13:06
+SET @VAR=1;
+SELECT @VAR;
+@VAR
+1
+SELECT @@max_allowed_packet;
+SELECT SYSDATE() from DUAL;
 SELECT * FROM t1;
 i
 1
diff --git a/mysql-test/suite/galera/suite.pm b/mysql-test/suite/galera/suite.pm
index d6cd4273014e3..5b69ff2661591 100644
--- a/mysql-test/suite/galera/suite.pm
+++ b/mysql-test/suite/galera/suite.pm
@@ -68,6 +68,7 @@ push @::global_suppressions,
      qr|WSREP: gcs_caused\(\) returned .*|,
      qr|WSREP: Protocol violation. JOIN message sender .* is not in state transfer \(SYNCED\). Message ignored.|,
      qr(WSREP: Action message in non-primary configuration from member [0-9]*),
+     qr(WSREP: discarding established .*),
    );
 
 
diff --git a/mysql-test/suite/galera/t/galera_split_brain.test b/mysql-test/suite/galera/t/galera_split_brain.test
index 22f6370241ce6..a85a2ad9b8deb 100644
--- a/mysql-test/suite/galera/t/galera_split_brain.test
+++ b/mysql-test/suite/galera/t/galera_split_brain.test
@@ -25,11 +25,8 @@ CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB;
 
 # Reset the master and restart the slave so that post-test checks can run
 
-SET GLOBAL wsrep_cluster_address = '';
---disable_query_log
---eval SET GLOBAL wsrep_cluster_address = '$wsrep_cluster_address_orig';
---enable_query_log
 
+--connection node_2
 --source include/start_mysqld.inc
 --sleep 5
 --source include/wait_until_connected_again.inc
diff --git a/mysql-test/suite/galera/t/galera_var_cluster_address.test b/mysql-test/suite/galera/t/galera_var_cluster_address.test
index 17e77a9b5af41..740c38765f6af 100644
--- a/mysql-test/suite/galera/t/galera_var_cluster_address.test
+++ b/mysql-test/suite/galera/t/galera_var_cluster_address.test
@@ -5,12 +5,17 @@
 --source include/galera_cluster.inc
 --source include/have_innodb.inc
 
+# Save original auto_increment_offset values.
+--let $node_1=node_1
+--let $node_2=node_2
+--source include/auto_increment_offset_save.inc
+
 #
 # Set to invalid value
 # 
 
---connection node_1
---let $wsrep_cluster_address_node1 = `SELECT @@wsrep_cluster_address`
+--connection node_2
+--let $wsrep_cluster_address_node2 = `SELECT @@wsrep_cluster_address`
 SET GLOBAL wsrep_cluster_address = 'foo://';
 
 # With wsrep_sync_wait, this returns an error
@@ -20,7 +25,7 @@ SET GLOBAL wsrep_cluster_address = 'foo://';
 SET SESSION wsrep_sync_wait=0;
 
 --error ER_UNKNOWN_COM_ERROR
-SELECT * FROM INFORMATION_SCHEMA.GLOBAL_STATUS;
+SELECT COUNT(*) > 0 FROM INFORMATION_SCHEMA.GLOBAL_STATUS;
 
 # Must return 'OFF'
 SHOW STATUS LIKE 'wsrep_ready';
@@ -32,9 +37,9 @@ SHOW STATUS LIKE 'wsrep_cluster_status';
 SHOW STATUS LIKE 'wsrep_local_state';
 SHOW STATUS LIKE 'wsrep_local_state_comment';
 
---connection node_2
+--connection node_1
 --sleep 1
-# Node #2 thinks that it is now part of a single-node primary cluster 
+# Node #1 thinks that it is now part of a single-node primary cluster 
 SELECT VARIABLE_VALUE = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
 SELECT VARIABLE_VALUE = 'Primary' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_status';
 
@@ -42,54 +47,31 @@ SELECT VARIABLE_VALUE = 'Primary' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VA
 # Reset everything as it was
 #
 
---connection node_1
+--connection node_2
 --disable_query_log
---eval SET GLOBAL wsrep_cluster_address = '$wsrep_cluster_address_node1';
+--eval SET GLOBAL wsrep_cluster_address = '$wsrep_cluster_address_node2';
 --enable_query_log
 
---connection node_2
-SET GLOBAL wsrep_cluster_address = @@wsrep_cluster_address;
-
 --source include/wait_until_connected_again.inc
 
 --connection node_1
 SELECT VARIABLE_VALUE = 'Primary' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_status';
 SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
 
-#
-# Set to invalid host
-#
-
---connection node_1
-SET GLOBAL wsrep_cluster_address = 'gcomm://192.0.2.1';
-
---error ER_UNKNOWN_COM_ERROR
-SELECT * FROM INFORMATION_SCHEMA.GLOBAL_STATUS;
-
-# Must return 'OFF'
-SHOW STATUS LIKE 'wsrep_ready';
-
-# Must return 'Non-primary'
-SHOW STATUS LIKE 'wsrep_cluster_status';
-
-# Must return 0 = 'Initialized'
-SHOW STATUS LIKE 'wsrep_local_state';
-SHOW STATUS LIKE 'wsrep_local_state_comment';
-
-#
-# Reset everything as it was
-#
-
---connection node_1
---disable_query_log
---eval SET GLOBAL wsrep_cluster_address = '$wsrep_cluster_address_node1';
---enable_query_log
-
 --connection node_2
-SET GLOBAL wsrep_cluster_address = @@wsrep_cluster_address;
---sleep 1
-
---connection node_1
-SELECT VARIABLE_VALUE = 'Primary' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_status';
-SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
-
+CALL mtr.add_suppression("Backend not supported: foo");
+CALL mtr.add_suppression("Failed to initialize backend using 'foo");
+CALL mtr.add_suppression("Failed to open channel 'my_wsrep_cluster' at 'foo");
+CALL mtr.add_suppression("gcs connect failed: Socket type not supported");
+CALL mtr.add_suppression("wsrep::connect\\(\\) failed: 7");
+CALL mtr.add_suppression("gcs_caused\\(\\) returned -103 \\(Software caused connection abort\\)");
+CALL mtr.add_suppression("failed to open gcomm backend connection: 110: failed to reach primary view: 110");
+CALL mtr.add_suppression("Failed to open backend connection: -110 \\(Connection timed out\\)");
+CALL mtr.add_suppression("gcs connect failed: Connection timed out");
+CALL mtr.add_suppression("WSREP: wsrep::connect\\(foo://\\) failed: 7");
+
+# Restore original auto_increment_offset values.
+--source include/auto_increment_offset_restore.inc
+
+--source include/galera_end.inc
+--echo # End of test
diff --git a/mysql-test/suite/galera/t/galera_var_dirty_reads.test b/mysql-test/suite/galera/t/galera_var_dirty_reads.test
index 0c81779ca6555..7a76a71a265c0 100644
--- a/mysql-test/suite/galera/t/galera_var_dirty_reads.test
+++ b/mysql-test/suite/galera/t/galera_var_dirty_reads.test
@@ -36,12 +36,18 @@ SET @@session.wsrep_dirty_reads=ON;
 
 SELECT * FROM t1;
 
-#Select query which does not access table should be allowed MDEV-11016
+--echo #
+--echo # MDEV-11016: wsrep_node_is_ready() check is too strict
+--echo #
 SET @@session.wsrep_dirty_reads=OFF;
 SELECT 2;
-SELECT @@max_allowed_packet;
 SELECT 2+2 from DUAL;
-SELECT sysdate() from DUAL;
+SET @VAR=1;
+SELECT @VAR;
+--disable_result_log
+SELECT @@max_allowed_packet;
+SELECT SYSDATE() from DUAL;
+--enable_result_log
 
 --disable_query_log
 --eval SET @@global.wsrep_cluster_address = '$wsrep_cluster_address_saved'