$admin->preversion("1.0");
lives_ok { $admin->create($schema->storage->sqlt_type(), ); } 'Can create diff for ' . $schema->storage->sqlt_type;
+# sleep required for upgrade table to hold a distinct time of upgrade value
+# otherwise the returned of get_db_version can be undeterministic
+sleep 1;
lives_ok {$admin->upgrade();} 'upgrade the schema';
is($schema->get_db_version, $DBICVersion::Schema::VERSION, 'Schema and db versions match');