[PATCH] Add tests for ndb variables (related to BUG#26675)

This is somewhat related to BUG#26675 (ndb_connectstring not reported
in show global variables)

Index: ndb-work/mysql-test/r/ndb_basic.result
===================================================================

mysql-test/r/ndb_basic.result

 DROP TABLE IF EXISTS t1,t2,t3,t4,t5,t6,t7;
 drop database if exists mysqltest;
+SHOW GLOBAL STATUS LIKE 'ndb%';
+Variable_name	Value
+Ndb_cluster_node_id	#
+Ndb_config_from_host	#
+Ndb_config_from_port	#
+Ndb_number_of_data_nodes	#
+SHOW GLOBAL VARIABLES LIKE 'ndb%';
+Variable_name	Value
+ndb_autoincrement_prefetch_sz	#
+ndb_cache_check_time	#
+ndb_connectstring	#
+ndb_extra_logging	#
+ndb_force_send	#
+ndb_index_stat_cache_entries	#
+ndb_index_stat_enable	#
+ndb_index_stat_update_freq	#
+ndb_report_thresh_binlog_epoch_slip	#
+ndb_report_thresh_binlog_mem_usage	#
+ndb_use_copying_alter_table	#
+ndb_use_exact_count	#
+ndb_use_transactions	#
 CREATE TABLE t1 (
 pk1 INT NOT NULL PRIMARY KEY,
 attr1 INT NOT NULL,

mysql-test/t/ndb_basic.test

@@ -22,6 +22,14 @@ drop database if exists mysqltest;
 # table handler is working
 #
 
+#
+# Show status and variables
+#
+--replace_column 2 #
+SHOW GLOBAL STATUS LIKE 'ndb%';
+--replace_column 2 #
+SHOW GLOBAL VARIABLES LIKE 'ndb%';
+
 #
 # Create a normal table with primary key
 #