mariadb/mysql-test/mtr.out-of-source

#!/usr/bin/perl
# Call mtr in out-of-source build
$ENV{MTR_BINDIR} = "@CMAKE_BINARY_DIR@";
chdir("@CMAKE_SOURCE_DIR@/mysql-test");
exit(system($^X, "@CMAKE_SOURCE_DIR@/mysql-test/mysql-test-run.pl", @ARGV) >> 8);