minor: suite with screening db tests

SVN: 21310

screening/sourceTest/java/tests_db.xml

+<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd">
+<suite name="Db-screening">
+    <test verbose="2" name="Db-screening" annotations="JDK">
+        <groups>
+            <run>
+                <include name="db" />
+                <exclude name="broken" />
+            </run>
+        </groups>
+        <packages>
+          <package name="ch.systemsx.cisd.openbis.plugin.screening.*" />
+          <package name="ch.systemsx.cisd.openbis.dss.*" />
+        </packages>
+        <classes>
+          <class name="OpenBISScreeningMLTest"/>
+        </classes>
+    </test>
+</suite>