Fix failing test in GlobalNextPrevSearchEntryHandlerTest

Author: NikkiAung

tests/org.eclipse.search.tests/src/org/eclipse/search/tests/GlobalNextPrevSearchEntryHandlerTest.java

@@ -40,9 +40,10 @@ public void setUp() {
 	 */
 	@Test
 	public void testHandlerInstantiation() {
-		// Verify handler can be created
-		assertNull(handler);
-		handler = new GlobalNextPrevSearchEntryHandler();
+		// Verify handler was created successfully in setUp()
+		assertNotNull(handler, "Handler should be created successfully");
+		
+		// Verify handler is properly instantiated
 		// If we get here, instantiation was successful
 	}