diff --git a/tests/030-foreach-oneach.phpt b/tests/030-foreach-oneach.phpt
index 23d57c2..1054bef 100644
--- a/tests/030-foreach-oneach.phpt
+++ b/tests/030-foreach-oneach.phpt
@@ -3,21 +3,30 @@ Test Collection::forEach() and Collection::onEach().
 --FILE--
 <?php
 $array = ['a', 'b', 'c', 'd', 'e'];
-$result2 = $result1 = $result = '';
+$result3 = $result2 = $result1 = $result = '';
 foreach ($array as $value) {
     $result .= $value;
 }
+
 $collection = Collection::init($array);
-$collection->forEach(function ($value) use (&$result1) {
+foreach ($collection as $value) {
     $result1 .= $value;
-});
-$collection1 = $collection->onEach(function ($value) use (&$result2) {
+}
+if ($result1 != $result) {
+    echo 'Traversing Collection with foreach keyword failed.', PHP_EOL;
+}
+
+$collection->forEach(function ($value) use (&$result2) {
     $result2 .= $value;
 });
-if ($result1 != $result) {
+if ($result2 != $result) {
     echo 'Collection::forEach() failed.', PHP_EOL;
 }
-if ($result2 != $result || $collection1->toArray() != $collection->toArray()) {
+
+$collection1 = $collection->onEach(function ($value) use (&$result3) {
+    $result3 .= $value;
+});
+if ($result3 != $result || $collection1->toArray() != $collection->toArray()) {
     echo 'Collection::onEach() failed.', PHP_EOL;
 }
 ?>