diff --git a/highscores.txt b/highscores.txt
index e94b558..e69de29 100644
--- a/highscores.txt
+++ b/highscores.txt
@@ -1 +0,0 @@
-krisp5;4991
diff --git a/test_numbers.c b/test_numbers.c
index 3a27284..1599032 100644
--- a/test_numbers.c
+++ b/test_numbers.c
@@ -46,11 +46,16 @@ void test_getDuplicate_manual_array(
   TEST_ASSERT_EQUAL_UINT(20, duplicate);
 }
 
+// Rückgabewert kein Duplikat soll 0 sein
+void test_getDuplicate_no_duplicate(void) {
+  unsigned int numbers[5] = {1, 2, 3, 4, 5};
+  TEST_ASSERT_EQUAL_UINT(0, getDuplicate(numbers, 5));
+}
+
 // getDuplicate erkennt fehlerhaftes Array
+// unsigned int getDuplicate(const unsigned int *numbers, unsigned int len)
 void test_getDuplicate_invalid_input(void) {
-  TEST_ASSERT_EQUAL_UINT(
-      0, getDuplicate(NULL, 5)); // unsigned int getDuplicate(const unsigned int
-                                 // *numbers, unsigned int len)
+  TEST_ASSERT_EQUAL_UINT(0, getDuplicate(NULL, 5));
   unsigned int testArray[1] = {2};
   TEST_ASSERT_EQUAL_UINT(0, getDuplicate(testArray, 1));
 }
@@ -67,6 +72,7 @@ int main(void) {
   RUN_TEST(test_createNumbers_length);
   RUN_TEST(test_createNumbers_single_duplicate);
   RUN_TEST(test_getDuplicate_manual_array);
+  RUN_TEST(test_getDuplicate_no_duplicate);
   RUN_TEST(test_getDuplicate_invalid_input);
 
   return UNITY_END();