removed wildcard imports

Author: Suvrat1629

log4j-core-test/src/main/java/org/apache/logging/log4j/core/test/util/InternalLoggerRegistryGCTest.java

@@ -16,7 +16,12 @@
  */
 package org.apache.logging.log4j.core.test.util;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertSame;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.lang.ref.WeakReference;
 import java.util.concurrent.CountDownLatch;