FINERACT-5706: Add unit tests for IpAddressUtils

fineract-core/src/test/java/org/apache/fineract/infrastructure/core/service/IpAddressUtilsTest.java

@@ -12,9 +12,7 @@
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations
- * under the License.
+ * KIND, either express or implied.
  */
 package org.apache.fineract.infrastructure.core.service;
 
@@ -34,14 +32,14 @@ void clearContext() {
         RequestContextHolder.resetRequestAttributes();
     }
 
-    // Proper isolation helper
+    // Helper method for setting request context
     private void withRequest(HttpServletRequest request, Runnable testLogic) {
         ServletRequestAttributes attributes = new ServletRequestAttributes(request);
         try {
             RequestContextHolder.setRequestAttributes(attributes);
             testLogic.run();
         } finally {
-            RequestContextHolder.resetRequestAttributes(); // critical cleanup
+            RequestContextHolder.resetRequestAttributes();
         }
     }
 
@@ -86,4 +84,4 @@ void getClientIpConvertsNonStringAttributeUsingToString() {
             assertEquals("12345", result);
         });
     }
-}
+}