diff --git a/tests/Endpoint/EnvelopeTagsEndpointTest.php b/tests/Endpoint/EnvelopeTagsEndpointTest.php
index c9dbeb2..2cb3b8e 100644
--- a/tests/Endpoint/EnvelopeTagsEndpointTest.php
+++ b/tests/Endpoint/EnvelopeTagsEndpointTest.php
@@ -9,6 +9,11 @@
  */
 class EnvelopeTagsEndpointTest extends EndpointTestCase
 {
+    public function testChildren(): void
+    {
+        self::assertDefaultEndpointPath(self::endpoint()->byPlaceholder(), '/api/envelopes/bar/tags/by-placeholder');
+    }
+
     public function testCRUD(): void
     {
         self::assertCrudRequests(self::endpoint(), '/api/envelopes/bar/tags');