Fix equality check in Aufgabe3Test.testValue()

src/Aufgabe3Test.java

@@ -93,7 +93,7 @@ public class Aufgabe3Test {
     }
 
     public static void testValue(Object given, Object expected) {
-        if (given == expected) {
+        if (given.equals(expected)) {
             System.out.println("Successful test");
         } else {
             System.out.println("Test NOT successful! Expected value: " + expected + " / Given value: " + given);