tests/src/Functional/ResourceTestBase.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/src/Functional/ResourceTestBase.php b/tests/src/Functional/ResourceTestBase.php
index de454cc..9431b60 100644
--- a/tests/src/Functional/ResourceTestBase.php
+++ b/tests/src/Functional/ResourceTestBase.php
@@ -1444,8 +1444,12 @@ abstract class ResourceTestBase extends BrowserTestBase {
 
       // @todo: Uncomment the following two assertions in https://www.drupal.org/project/jsonapi/issues/2977659.
       // Test POST: success, relationship already exists, no arity.
+      // @codingStandardsIgnoreStart
+      /*
       $response = $this->request('POST', $url, $request_options);
       $this->assertResourceResponse(204, NULL, $response);
+      */
+      // @codingStandardsIgnoreEnd
 
       // Test PATCH: success, new value is the same as existing value.
       $request_options[RequestOptions::BODY] = Json::encode(['data' => [$target_identifier]]);