Fix test galera#505 galera library version check.

Test requires galera library version 25.3.24.

mysql-test/suite/galera/t/galera#505.test

@@ -2,22 +2,16 @@
 
 --source include/galera_cluster.inc
 
---disable_query_log
-select CAST(REGEXP_REPLACE(variable_value,'^(\\d+)\\.(\\d+)\\.(\\d+)(r\\d+)','\\3') AS UNSIGNED) FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME LIKE 'wsrep_provider_version' INTO @GALERA_VERSION;
-
-# Make sure that the test is operating on the right version of galera library.
---let $galera_version=24
-eval SET @REQUIRED_GALERA_VERSION='$galera_version';
-
-SELECT @GALERA_VERSION, @REQUIRED_GALERA_VERSION;
+--connection node_1
 
-if (!`SELECT (@GALERA_VERSION < @REQUIRED_GALERA_VERSION)`)
-{
-    skip Test requires Galera library version 25.3.$galera_version;
-}
+SET SESSION wsrep_sync_wait=0;
+--disable_result_log
+--disable_query_log
+--let $galera_version=25.3.24
+source ../../wsrep/include/check_galera_version.inc;
+--enable_result_log
 --enable_query_log
-
---connection node_1
+SET SESSION wsrep_sync_wait=DEFAULT;
 
 # Convert "... pc.weight = N; ..." to "N; ..."
 --let $s1 = `SELECT SUBSTR(@@wsrep_provider_options, LOCATE('pc.weight =', @@wsrep_provider_options) + LENGTH('pc.weight = '))`