This file is indexed.

/usr/lib/mysql-testsuite/r/have_koi8r.require is in percona-server-test-5.6 5.6.22-rel71.0-0ubuntu4.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

1
2
Collation	Charset	Id	Default	Compiled	Sortlen
koi8r_general_ci	koi8r	7	Yes	Yes	1