diff --git a/src/test/java/UnifyTest.java b/src/test/java/UnifyTest.java
index 9d54a83..eaad5a1 100644
--- a/src/test/java/UnifyTest.java
+++ b/src/test/java/UnifyTest.java
@@ -670,8 +670,8 @@ public class UnifyTest {
         FiniteClosure finiteClosure = new FiniteClosure(fcConstraints, new NullWriter());
         TypeUnify unifyAlgo = new TypeUnify();
         ConstraintSet< Pair> cons = new ConstraintSet<>();
-        UnifyResultModel urm = new UnifyResultModel(cons, finiteClosure);
-        UnifyTaskModel tasks = new UnifyTaskModel();
+        UnifyResultModelParallel urm = new UnifyResultModelParallel(cons, finiteClosure);
+        UnifyTaskModelParallel tasks = new UnifyTaskModelParallel();
         Set<Set<UnifyPair>> solution = unifyAlgo.unify(undConstraints, oderConstraints, finiteClosure, new NullWriter(), false, urm, tasks);
         System.out.println(solution);
         System.out.println(solution.size());