diff --git a/core/modules/taxonomy/src/Tests/TermTest.php b/core/modules/taxonomy/src/Tests/TermTest.php
index 0cd7618..9320fbb 100644
--- a/core/modules/taxonomy/src/Tests/TermTest.php
+++ b/core/modules/taxonomy/src/Tests/TermTest.php
@@ -111,6 +111,15 @@ function testTaxonomyTermHierarchy() {
     $term2->save();
     $parents = taxonomy_term_load_parents($term2->id());
     $this->assertTrue(isset($parents[$term1->id()]) && isset($parents[$term3->id()]), 'Both parents found successfully.');
+
+    // Delete term 3 from the term edit page.
+    $this->drupalGet('taxonomy/term/' . $term3->id() . '/edit');
+    $this->clickLink(t('Delete'));
+    //$this->drupalPostForm(NULL, NULL, t('Delete'));
+
+    // Check the hierarchy after deleting one parent of multiple parents.
+    $parents = taxonomy_term_load_parents($term2->id());
+    $this->assertTrue(count($parents) == 1, 'Term has one parent.');
   }
 
   /**