Enable tests/osgi/functional Jackson dependency

Signed-off-by: jansupol <jan.supol@oracle.com>
diff --git a/tests/osgi/functional/pom.xml b/tests/osgi/functional/pom.xml
index e024b15..23317ba 100644
--- a/tests/osgi/functional/pom.xml
+++ b/tests/osgi/functional/pom.xml
@@ -208,11 +208,11 @@
             <version>${httpclient.version}</version>
         </dependency>
 
-<!--        <dependency>-->
-<!--            <groupId>org.glassfish.jersey.media</groupId>-->
-<!--            <artifactId>jersey-media-json-jackson</artifactId>-->
-<!--            <scope>test</scope>-->
-<!--        </dependency>-->
+        <dependency>
+            <groupId>org.glassfish.jersey.media</groupId>
+            <artifactId>jersey-media-json-jackson</artifactId>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>org.glassfish.jersey.media</groupId>
             <artifactId>jersey-media-json-jettison</artifactId>