diff --git a/core-java-modules/core-java-collections-array-list-2/src/test/java/com/baeldung/peakelements/PeakElementFinderUnitTest.java b/core-java-modules/core-java-collections-array-list-2/src/test/java/com/baeldung/peakelements/PeakElementFinderUnitTest.java
index 8ed6c9a991..9cd33d8aa0 100644
--- a/core-java-modules/core-java-collections-array-list-2/src/test/java/com/baeldung/peakelements/PeakElementFinderUnitTest.java
+++ b/core-java-modules/core-java-collections-array-list-2/src/test/java/com/baeldung/peakelements/PeakElementFinderUnitTest.java
@@ -8,19 +8,11 @@ import static org.junit.jupiter.api.Assertions.*;
 
 public class PeakElementFinderUnitTest {
 
-    @Test
-    void findPeakElement_givenArrayOfIntegers_whenValidInput_thenReturnsCorrectPeakIndex() {
-        PeakElementFinder finder = new PeakElementFinder();
-        int[] array = {5, 8, 7, 6, 12};
-        List<Integer> peaks = finder.findPeakElement(array);
-        assertEquals(2, peaks.size() );
-    }
-
     @Test
     void findPeakElement_givenArrayOfIntegers_whenNoPeaks_thenReturnsMinusOne() {
         PeakElementFinder finder = new PeakElementFinder();
         int[] array = {5, 8, 7, 6, 12};
-        List<Integer> peaks = finder.findPeakElement(array);
+        List<Integer> peaks = finder.findPeakElements(array);
         assertEquals(2, peaks.size());
     }
 
@@ -28,7 +20,7 @@ public class PeakElementFinderUnitTest {
     void findPeakElement_givenArrayOfIntegers_whenPeaksAtExtremes_thenReturnsCorrectPeakIndex() {
         PeakElementFinder finder = new PeakElementFinder();
         int[] array = {5, 2, 1, 3, 4};
-        List<Integer> peaks = finder.findPeakElement(array);
+        List<Integer> peaks = finder.findPeakElements(array);
         assertEquals(2, peaks.size());
     }
 
@@ -36,7 +28,7 @@ public class PeakElementFinderUnitTest {
     void findPeakElement_givenArrayOfIntegers_whenPlateaus_thenReturnsCorrectPeakIndex() {
         PeakElementFinder finder = new PeakElementFinder();
         int[] array = {1, 2, 2, 2, 3, 4, 5};
-        List<Integer> peaks = finder.findPeakElement(array);
-        assertEquals(2, peaks.size());
+        List<Integer> peaks = finder.findPeakElements(array);
+        assertEquals(1, peaks.size());
     }
 }