use base qw(DBICTest::Base DBIx::Class::Schema);
use Fcntl qw(:DEFAULT :seek :flock);
+use IO::Handle ();
use DBIx::Class::_Util 'scope_guard';
use DBICTest::Util::LeakTracer qw(populate_weakregistry assert_empty_weakregistry);
use DBICTest::Util qw( local_umask tmpdir await_flock dbg DEBUG_TEST_CONCURRENCY_LOCKS );