fix logic test for new setting.

Author: youngsofun

tests/logictest/suites/base/06_show/06_0003_show_settings

@@ -17,6 +17,7 @@ enable_planner_v2  1  1  SESSION  Enable planner v2 by setting this variable to
 field_delimiter  ,  ,  SESSION  Format field delimiter, default value: ,  String
 flight_client_timeout  60  60  SESSION  Max duration the flight client request is allowed to take in seconds. By default, it is 60 seconds  UInt64
 group_by_two_level_threshold  10000  10000  SESSION  The threshold of keys to open two-level aggregation, default value: 10000  UInt64
+input_read_buffer_size  1048576  1048576  SESSION  The size of buffer in bytes for input with format. By default, it is 1MB.  UInt64
 max_block_size  10000  10000  SESSION  Maximum block size for reading  UInt64
 max_execute_time  0  0  SESSION  The maximum query execution time. it means no limit if the value is zero. default value: 0  UInt64
 max_threads  11  16  SESSION  The maximum number of threads to execute the request. By default, it is determined automatically.  UInt64