Fixed warnings in test class.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/beanutils/branches/java5@1539814 13f79535-47bb-0310-9956-ffa450edef68
Fixed a warning in a test class.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/beanutils/branches/java5@1539815 13f79535-47bb-0310-9956-ffa450edef68