DERBY-6775 add to testBlobLinkedListReclamationOnRollback() test to check that free space is used on subsequent inserts

increasing wait time, hoping to make test stable on slow machine in
oracle nightly testing.



git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1646815 13f79535-47bb-0310-9956-ffa450edef68