mcol_2000 test is not compatible with server > =13.0

mysqltest: At line 211: query 'insert into cs3 values (_utf8mb4 0xF09F988E, '2020-10-25 01:02:07',

'1234567890', '2020-10-25 01:02:08',

'abc', '2020-10-25 01:02:09',

'cde', '2020-10-25 01:02:10')' succeeded - should have failed with error ER_TRUNCATED_WRONG_VALUE_FOR_FIELD (1366)...

The result from queries just before the failure was:

< snip >

insert into cs3 values ('1', '2020-10-25 01:02:04',

_utf8mb4 0xc2b9c2b2c2b3e281b4e281b5e281b6e281b7e281b8e281b9e281b0, '2020-10-25 01:02:05', -- ¹²³⁴⁵⁶⁷⁸⁹⁰

'abc', '2020-10-25 01:02:06',

'cde', '2020-10-25 01:02:07');

insert into cs3 values ('1', '2020-10-25 01:02:05',

_utf8mb4 0xc2b9c2b2c2b3e281b4e281b5e281b6e281b7e281b8e281b9e281b0c2b9, '2020-10-25 01:02:06', -- ¹²³⁴⁵⁶⁷⁸⁹⁰¹

'abc', '2020-10-25 01:02:07',

'cde', '2020-10-25 01:02:08');

ERROR 22001: Data too long for column 'c' at row 1

insert ignore into cs3 values ('12', '2020-10-25 01:02:06',

_utf8mb4 0xc2b9c2b2c2b3e281b4e281b5e281b6e281b7e281b8e281b9e281b0c2b9, '2020-10-25 01:02:07', -- ¹²³⁴⁵⁶⁷⁸⁹⁰¹

'abc', '2020-10-25 01:02:08',

'cde', '2020-10-25 01:02:09');

Warnings:

Warning	1265	Data truncated for column 'a' at row 1

Warning	1265	Data truncated for column 'c' at row 1

insert into cs3 values (_utf8mb4 0xF09F988E, '2020-10-25 01:02:07',

'1234567890', '2020-10-25 01:02:08',

'abc', '2020-10-25 01:02:09',

'cde', '2020-10-25 01:02:10');

More results from queries before failure can be found in /var/tmp/mtr/log/mcol_2000.log