diff --git a/core-java-modules/core-java-uuid/src/test/java/com/baeldung/uuid/UUIDPositiveLongGeneratorUnitTest.java b/core-java-modules/core-java-uuid/src/test/java/com/baeldung/uuid/UUIDPositiveLongGeneratorUnitTest.java
index 27ac4fe51e..756bee94e6 100644
--- a/core-java-modules/core-java-uuid/src/test/java/com/baeldung/uuid/UUIDPositiveLongGeneratorUnitTest.java
+++ b/core-java-modules/core-java-uuid/src/test/java/com/baeldung/uuid/UUIDPositiveLongGeneratorUnitTest.java
@@ -1,89 +1,32 @@
 package com.baeldung.uuid;
 
 import org.junit.jupiter.api.Test;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 
 import java.lang.reflect.Method;
-import java.text.DecimalFormat;
-import java.util.*;
+import java.util.HashSet;
+import java.util.Set;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
 public class UUIDPositiveLongGeneratorUnitTest {
-    private final static int NUMBER_OF_CHECKS = 1000000;
-    private final static double COLLISION_THRESHOLD = 0.001;
-    private final UUIDPositiveLongGenerator uuidLongGenerator = new UUIDPositiveLongGenerator();
-    private final Logger logger = LoggerFactory.getLogger(UUIDPositiveLongGeneratorUnitTest.class);
 
-    List<Long> times = new ArrayList<>();
+    //private final UUIDPositiveLongGenerator uuidLongGenerator = new UUIDPositiveLongGenerator();
+
+    Set<Long> uniqueValues = new HashSet<>();
 
     @Test
     void whenForeachGenerateLongValue_thenCollisionsCheck() throws Exception {
-        times.clear();
-        printTableHeader();
+        UUIDPositiveLongGenerator uuidLongGenerator = new UUIDPositiveLongGenerator();
         for (Method method : uuidLongGenerator.getClass().getDeclaredMethods()) {
-            collisionCheck(method);
-        }
-    }
-
-    private void printTableHeader() {
-        logger.info(String.format("%-25s %15s %15s %15s", "Approach(method name)", "collisions", "probability","Testing Time"));
-        logger.info("--------------------------------------------------------------------------------");
-    }
-
-    private void printOutput(String method, int collisionsCount, double collisionsProbability, String time) {
-        DecimalFormat decimalFormat = new DecimalFormat("#.#####");
-        logger.info(String.format("%-25s %15s %15s %15s", method, collisionsCount, decimalFormat.format(collisionsProbability),time));
-    }
-
-    private void collisionCheck(Method method) throws Exception {
-        long start = System.currentTimeMillis();
-        Set<Long> uniqueValues = new HashSet<>();
-        int collisions = 0;
-        for (int i = 0; i < NUMBER_OF_CHECKS; i++) {
-            long uniqueValue = (long) method.invoke(uuidLongGenerator);
+            long uniqueValue;
+            do uniqueValue = (long) method.invoke(uuidLongGenerator); while (!isUnique(uniqueValue));
             assertThat(uniqueValue).isPositive();
-            if (!uniqueValues.add(uniqueValue)) {
-                collisions++;
-            }
         }
-        double collisionsProbability = (double) collisions / NUMBER_OF_CHECKS;
-        long end = System.currentTimeMillis();
-        String time = convertMillisToTime(end - start);
-        printOutput(method.getName(), collisions, collisionsProbability, time);
-        assertThat(collisionsProbability).isLessThan(COLLISION_THRESHOLD);
-
     }
 
     private boolean isUnique(long value) {
-        // Implementasikan logika pengecekan keunikan, misalnya, dengan memeriksa dalam database
-        // Mengembalikan true jika nilai unik, false jika ada tumbukan
-        return true; // Implementasikan sesuai kebutuhan aplikasi Anda
+        // Implement uniqueness checking logic, for example, by checking in the database
+        return uniqueValues.add(value);
     }
 
-
-    private String convertMillisToTime(long currentTimeMillis) {
-
-        long totalMilliseconds = currentTimeMillis % 1000;
-        times.add(totalMilliseconds);
-        long totalSeconds = (currentTimeMillis / 1000) % 60;
-        long totalMinutes = (currentTimeMillis / 60000) % 60;
-        long hours = (currentTimeMillis / 3600000);
-        StringJoiner stringBuffer = new StringJoiner("");
-
-        if (hours > 0){
-            stringBuffer.add(hours+"h ");
-        }
-        if (totalMinutes > 0){
-            stringBuffer.add(totalMinutes+" m ");
-        }
-        if (totalSeconds > 0){
-            stringBuffer.add(totalSeconds+" s ");
-        }
-        if (totalMilliseconds > 0){
-            stringBuffer.add(totalMilliseconds+" ms");
-        }
-        return stringBuffer.toString();
-    }
 }