Add a number of test cases for the server monitor providers.

neil_a_wilson

12.39.2006 bfa1500cb0c1d8ff015f5283e7137061bcb2ae03

 opends/ext/testng/testng.xml

@@ -10,6 +10,7 @@
            <package name="org.opends.server.protocols.jmx"/>
            <package name="org.opends.server.util"/>
            <package name="org.opends.server.schema"/>
            <package name="org.opends.server.monitors"/>
        </packages>
    </test>