tests/src/Functional/ResourceTestBase.php | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/tests/src/Functional/ResourceTestBase.php b/tests/src/Functional/ResourceTestBase.php
index aeb81c8..5cc5656 100644
--- a/tests/src/Functional/ResourceTestBase.php
+++ b/tests/src/Functional/ResourceTestBase.php
@@ -1329,21 +1329,20 @@ abstract class ResourceTestBase extends BrowserTestBase {
       $expected_resource_response = $expected_relationship_responses[$relationship_field_name];
       /* @var \Psr\Http\Message\ResponseInterface $actual_response */
       $actual_response = $related_responses[$relationship_field_name];
-      // @todo uncomment this assertion in https://www.drupal.org/project/jsonapi/issues/2929428
       // Dynamic Page Cache miss because cache should vary based on the
       // 'include' query param.
-      // @codingStandardsIgnoreStart
-      //$expected_cacheability = $expected_resource_response->getCacheableMetadata();
-      //$this->assertResourceResponse(
-      //  $expected_resource_response->getStatusCode(),
-      //  $expected_document,
-      //  $actual_response,
-      //  $expected_cacheability->getCacheTags(),
-      //  \Drupal::service('cache_contexts_manager')->optimizeTokens($expected_cacheability->getCacheContexts()),
-      //  FALSE,
-      //  $expected_cacheability->getCacheMaxAge() === 0 ? 'UNCACHEABLE' : 'MISS'
-      //);
-      // @codingStandardsIgnoreEnd
+      $expected_cacheability = $expected_resource_response->getCacheableMetadata();
+      $this->assertResourceResponse(
+        $expected_resource_response->getStatusCode(),
+        FALSE,
+        $actual_response,
+        $expected_cacheability->getCacheTags(),
+        \Drupal::service('cache_contexts_manager')->optimizeTokens($expected_cacheability->getCacheContexts()),
+        FALSE,
+        $actual_response->getStatusCode() === 200
+          ? ($expected_cacheability->getCacheMaxAge() === 0 ? 'UNCACHEABLE' : 'MISS')
+          : FALSE
+      );
       $this->assertSame($expected_resource_response->getStatusCode(), $actual_response->getStatusCode());
       $expected_document = $expected_resource_response->getResponseData();
       $actual_document = Json::decode((string) $actual_response->getBody());