Bumped the junit version.

Author: Tomek Rękawek

pom.xml

@@ -113,7 +113,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.12</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>
     <dependency>