Moved variable name extraction to separate class.

Change-Id: Ic4105f9f3557c924928321c1b27f7b0e3444bfbc
Issue-ID: SO-374
Signed-off-by: biniek <lukasz.biniek@nokia.com>
diff --git a/bpmn/MSOCoreBPMN/pom.xml b/bpmn/MSOCoreBPMN/pom.xml
index b3edded..6884c1e 100644
--- a/bpmn/MSOCoreBPMN/pom.xml
+++ b/bpmn/MSOCoreBPMN/pom.xml
@@ -167,5 +167,11 @@
             <artifactId>status-control</artifactId>
             <version>${project.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>3.8.0</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 </project>