NUTCH-1737 Upgrade to recent JUnit 4.x

git-svn-id: https://svn.apache.org/repos/asf/nutch/trunk@1582928 13f79535-47bb-0310-9956-ffa450edef68
NUTCH-1737 Upgrade to recent JUnit 4.x

git-svn-id: https://svn.apache.org/repos/asf/nutch/trunk@1582965 13f79535-47bb-0310-9956-ffa450edef68
NUTCH-1737 Upgrade to recent JUnit 4.x

git-svn-id: https://svn.apache.org/repos/asf/nutch/trunk@1583053 13f79535-47bb-0310-9956-ffa450edef68
NUTCH-1645 Junit Test Case for Adaptive Fetch Schedule class

git-svn-id: https://svn.apache.org/repos/asf/nutch/trunk@1583193 13f79535-47bb-0310-9956-ffa450edef68