diff --git a/tests/NestedSetsBehaviorTest.php b/tests/NestedSetsBehaviorTest.php
index fca2cbd..ccdb493 100644
--- a/tests/NestedSetsBehaviorTest.php
+++ b/tests/NestedSetsBehaviorTest.php
@@ -876,7 +876,23 @@ class NestedSetsBehaviorTest extends DatabaseTestCase
      */
     public function testAncestors()
     {
-        $this->markTestSkipped();
+        $dataSet = $this->createFlatXMLDataSet(__DIR__ . '/datasets/tree.xml');
+        $this->getDatabaseTester()->setDataSet($dataSet);
+        $this->getDatabaseTester()->onSetUp();
+        $node = Tree::findOne(11);
+        $models = $node->ancestors()->all();
+        $dataSet = new ArrayDataSet(['tree' => ArrayHelper::toArray($models)]);
+        $expectedDataSet = $this->createFlatXMLDataSet(__DIR__ . '/datasets/tree-after-ancestors.xml');
+        $this->assertDataSetsEqual($expectedDataSet, $dataSet);
+
+        $dataSet = $this->createFlatXMLDataSet(__DIR__ . '/datasets/multiple-roots-tree.xml');
+        $this->getDatabaseTester()->setDataSet($dataSet);
+        $this->getDatabaseTester()->onSetUp();
+        $node = MultipleRootsTree::findOne(33);
+        $models = $node->ancestors()->all();
+        $dataSet = new ArrayDataSet(['multiple_roots_tree' => ArrayHelper::toArray($models)]);
+        $expectedDataSet = $this->createFlatXMLDataSet(__DIR__ . '/datasets/multiple-roots-tree-after-ancestors.xml');
+        $this->assertDataSetsEqual($expectedDataSet, $dataSet);
     }
 
     /**