Set Netty leak detection level to PARANOID in unit tests

.idea/runConfigurations/dev_openrs2.xml

@@ -4,6 +4,7 @@
     <option name="MAIN_CLASS_NAME" value="" />
     <option name="METHOD_NAME" value="" />
     <option name="TEST_OBJECT" value="package" />
+    <option name="VM_PARAMETERS" value="-ea -Dio.netty.leakDetection.level=PARANOID" />
     <option name="PARAMETERS" value="" />
     <option name="TEST_SEARCH_SCOPE">
       <value defaultName="wholeProject" />

pom.xml

@@ -159,6 +159,18 @@
     </repository>
   </repositories>
 
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <configuration>
+          <argLine>@{argLine} -ea -Dio.netty.leakDetection.level=PARANOID</argLine>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
   <reporting>
     <plugins>
       <plugin>