diff --git a/modules/thunder_gqls/tests/src/Traits/ThunderGqlsTestTrait.php b/modules/thunder_gqls/tests/src/Traits/ThunderGqlsTestTrait.php
index 1608ed543..75dca16a5 100644
--- a/modules/thunder_gqls/tests/src/Traits/ThunderGqlsTestTrait.php
+++ b/modules/thunder_gqls/tests/src/Traits/ThunderGqlsTestTrait.php
@@ -29,7 +29,11 @@ protected function runAndTestQuery(string $schema): void {
 
     $expectedData = $this->jsonDecode($this->getExpectedResponseFromFile($schema))['data'];
 
-    $this->assertEqualsCanonicalizing($expectedData, $responseData);
+    $this->assertEqualsCanonicalizing(
+      $expectedData,
+      $responseData,
+      'The expected schema for "' . $schema . '" did not match the result.'
+    );
   }
 
   /**