BUG#51291 Unfortunate effect around variable binlog_direct_non_transactional_updates

Added test cases to check the case where the option 
binlog_direct_non_transactional_updates is OFF.

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

+###################################################################################
+# This test cases evaluates the mixture of non-transactional and transcational
+# tables. For further details, please, read WL#2687 and WL#5072.
+###################################################################################
+--source include/have_binlog_format_mixed.inc
+--source include/master-slave.inc
+--source include/have_innodb.inc
+
+--disable_query_log
+SET SESSION binlog_direct_non_transactional_updates = OFF;
+--enable_query_log
+let $engine_type=Innodb;
+--source extra/rpl_tests/rpl_mixing_engines.test
+
+--diff_files suite/rpl/r/rpl_non_direct_mixed_mixing_engines.result suite/rpl/r/rpl_mixed_mixing_engines.result

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

+###################################################################################
+# This test cases evaluates the mixture of non-transactional and transcational
+# tables. For further details, please, read WL#2687 and WL#5072.
+###################################################################################
+--source include/have_binlog_format_row.inc
+--source include/master-slave.inc
+--source include/have_innodb.inc
+
+--disable_query_log
+SET SESSION binlog_direct_non_transactional_updates = OFF;
+--enable_query_log
+let $engine_type=Innodb;
+--source extra/rpl_tests/rpl_mixing_engines.test
+
+--diff_files suite/rpl/r/rpl_non_direct_row_mixing_engines.result suite/rpl/r/rpl_row_mixing_engines.result

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

+###################################################################################
+# This test cases evaluates the mixture of non-transactional and transcational
+# tables. For further details, please, read WL#2687 and WL#5072.
+###################################################################################
+--source include/have_binlog_format_statement.inc
+--source include/master-slave.inc
+--source include/have_innodb.inc
+
+--disable_query_log
+SET SESSION binlog_direct_non_transactional_updates = OFF;
+--enable_query_log
+let $engine_type=Innodb;
+--source extra/rpl_tests/rpl_mixing_engines.test