Revert "[pom] Remove mockito subclass as not needed"

This reverts commit ae3f87f.

Author: hazendaz

pom.xml

@@ -172,6 +172,12 @@
       <version>${mockito.version}</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.mockito</groupId>
+      <artifactId>mockito-subclass</artifactId>
+      <version>${mockito.version}</version>
+      <scope>test</scope>
+    </dependency>
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-junit-jupiter</artifactId>