Add constraint for waypoints

Change-Id: I8156920d4d3d85aee060b9d0fe925f43f9b15ff1
diff --git a/core/api/pom.xml b/core/api/pom.xml
index 100e63f..ff94f1a 100644
--- a/core/api/pom.xml
+++ b/core/api/pom.xml
@@ -40,6 +40,10 @@
             <groupId>joda-time</groupId>
             <artifactId>joda-time</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.easymock</groupId>
+            <artifactId>easymock</artifactId>
+        </dependency>
     </dependencies>
 
 </project>