GUACAMOLE-579: Parse tokens from attributes provided by the CAS server.

extensions/guacamole-auth-cas/pom.xml

@@ -254,6 +254,14 @@
             <version>2.5</version>
             <scope>provided</scope>
         </dependency>
+        
+        <!-- JUnit -->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>test</scope>
+        </dependency>
 
     </dependencies>