Bug#37312 Make tests binlog_row_innodb_stat and binlog_stm_innodb_stat more robust

Trimmed some error-prone and variable portions of the test and added 'flush status' to ensure deterministic test

mysql-test/extra/binlog_tests/innodb_stat.test

@@ -7,6 +7,7 @@
 # Actually this test has nothing to do with innodb per se, it just requires
 # transactional table. 
 #
+flush status;
 show status like "binlog_cache_use";
 show status like "binlog_cache_disk_use";
 --disable_warnings
@@ -38,13 +39,3 @@ commit;
 show status like "binlog_cache_use";
 show status like "binlog_cache_disk_use";
 drop table t1;
-
-# Test for testable InnoDB status variables. This test
-# uses previous ones(pages_created, rows_deleted, ...).
--- replace_regex /51[12]/51_/
-show status like "Innodb_buffer_pool_pages_total";
-show status like "Innodb_page_size";
-show status like "Innodb_rows_deleted";
-show status like "Innodb_rows_inserted";
-show status like "Innodb_rows_updated";
-

mysql-test/suite/binlog/r/binlog_mix_innodb_stat.result

+flush status;
 show status like "binlog_cache_use";
 Variable_name	Value
 Binlog_cache_use	0
@@ -22,18 +23,3 @@ show status like "binlog_cache_disk_use";
 Variable_name	Value
 Binlog_cache_disk_use	1
 drop table t1;
-show status like "Innodb_buffer_pool_pages_total";
-Variable_name	Value
-Innodb_buffer_pool_pages_total	51_
-show status like "Innodb_page_size";
-Variable_name	Value
-Innodb_page_size	16384
-show status like "Innodb_rows_deleted";
-Variable_name	Value
-Innodb_rows_deleted	2000
-show status like "Innodb_rows_inserted";
-Variable_name	Value
-Innodb_rows_inserted	2000
-show status like "Innodb_rows_updated";
-Variable_name	Value
-Innodb_rows_updated	0

mysql-test/suite/binlog/r/binlog_row_innodb_stat.result

+flush status;
 show status like "binlog_cache_use";
 Variable_name	Value
 Binlog_cache_use	0
@@ -22,18 +23,3 @@ show status like "binlog_cache_disk_use";
 Variable_name	Value
 Binlog_cache_disk_use	1
 drop table t1;
-show status like "Innodb_buffer_pool_pages_total";
-Variable_name	Value
-Innodb_buffer_pool_pages_total	51_
-show status like "Innodb_page_size";
-Variable_name	Value
-Innodb_page_size	16384
-show status like "Innodb_rows_deleted";
-Variable_name	Value
-Innodb_rows_deleted	2000
-show status like "Innodb_rows_inserted";
-Variable_name	Value
-Innodb_rows_inserted	2000
-show status like "Innodb_rows_updated";
-Variable_name	Value
-Innodb_rows_updated	0

mysql-test/suite/binlog/r/binlog_stm_innodb_stat.result

+flush status;
 show status like "binlog_cache_use";
 Variable_name	Value
 Binlog_cache_use	0
@@ -22,18 +23,3 @@ show status like "binlog_cache_disk_use";
 Variable_name	Value
 Binlog_cache_disk_use	1
 drop table t1;
-show status like "Innodb_buffer_pool_pages_total";
-Variable_name	Value
-Innodb_buffer_pool_pages_total	51_
-show status like "Innodb_page_size";
-Variable_name	Value
-Innodb_page_size	16384
-show status like "Innodb_rows_deleted";
-Variable_name	Value
-Innodb_rows_deleted	2000
-show status like "Innodb_rows_inserted";
-Variable_name	Value
-Innodb_rows_inserted	2000
-show status like "Innodb_rows_updated";
-Variable_name	Value
-Innodb_rows_updated	0