adding junit engine

zpp-solver/pom.xml

@@ -24,6 +24,11 @@
             <version>5.3.1</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-engine</artifactId>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>eu.melodic</groupId>
             <artifactId>utility-generator</artifactId>