diff --git a/tests/Asserts/CollectionAssertsTest.php b/tests/Asserts/CollectionAssertsTest.php
index <HASH>..<HASH> 100644
--- a/tests/Asserts/CollectionAssertsTest.php
+++ b/tests/Asserts/CollectionAssertsTest.php
@@ -23,4 +23,23 @@ class CollectionAssertsTest extends TestCase
 
         $this->assertEqualCollections($collection1, $collection2, 'id');
     }
+
+    /** @test */
+    public function it_has_not_equal_collections_assertion()
+    {
+        $collection1 = collect([
+            ['id' => 1, 'name' => 'John Doe'],
+            ['id' => 2, 'name' => 'Jane Doe'],
+            ['id' => 3, 'name' => 'Mary Doe'],
+            ['id' => 4, 'name' => 'Jack Doe'],
+        ]);
+
+        $collection2 = collect([
+            ['id' => 3, 'name' => 'Mary Doe'],
+            ['id' => 2, 'name' => 'Jane Doe'],
+            ['id' => 1, 'name' => 'John Doe'],
+        ]);
+
+        $this->assertNotEqualCollections($collection1, $collection2, 'id');
+    }
 }
ITT: CollectionAsserts tests added.