add more test case for topsql

[crazycs520]

Dev Task

Add more test cases to make sure the data correctness of a topsql:

[] analyze sql
[] explain analyze sql
[] trace sql
[] set global sql and the related internal sql
[] multi-statement
[] multi-statement but the first statement execute failed
[] multi-statement but the second statement execute failed.
[] sql with execution in optimize stage.
[] sql with many compile plan time
[] sql with syntax error
[] DDL sql but execute failed.
[] sql execute failed cause by kv error
[] make sure the data correctness of ExecCount for the long execution time sql.