Added test for Tomcat to ensure that UI callback does not keep sessions alive
diff --git a/bundles/org.apache.tomcat/META-INF/MANIFEST.MF b/bundles/org.apache.tomcat/META-INF/MANIFEST.MF
index 885f7c9..a94631a 100644
--- a/bundles/org.apache.tomcat/META-INF/MANIFEST.MF
+++ b/bundles/org.apache.tomcat/META-INF/MANIFEST.MF
@@ -13,6 +13,7 @@
 Bundle-ActivationPolicy: lazy
 Export-Package: org.apache.catalina;version="7.0.12.qualifier",
  org.apache.catalina.connector;version="7.0.12.qualifier",
+ org.apache.catalina.core;version="7.0.12.qualifier",
  org.apache.catalina.deploy;version="7.0.12.qualifier",
  org.apache.catalina.ha.session;version="7.0.12.qualifier",
  org.apache.catalina.ha.tcp;version="7.0.12.qualifier",