/usr/lib/mysql-testsuite/r/no-threads.result is in mysql-testsuite-5.6 5.6.16-1~exp1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | select 1+1;
1+1
2
select 1+2;
1+2
3
SHOW GLOBAL VARIABLES LIKE 'thread_handling';
Variable_name Value
thread_handling no-threads
select @@session.thread_handling;
ERROR HY000: Variable 'thread_handling' is a GLOBAL variable
set GLOBAL thread_handling='one-thread';
ERROR HY000: Variable 'thread_handling' is a read only variable
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