symfony
diff --git a/‎src/Symfony/Bridge/PhpUnit/Legacy/SymfonyTestsListenerTrait.php
Copy file name to clipboardExpand all lines: src/Symfony/Bridge/PhpUnit/Legacy/SymfonyTestsListenerTrait.php
+13-1Lines changed: 13 additions & 1 deletion b/‎src/Symfony/Bridge/PhpUnit/Legacy/SymfonyTestsListenerTrait.php
Copy file name to clipboardExpand all lines: src/Symfony/Bridge/PhpUnit/Legacy/SymfonyTestsListenerTrait.php
+13-1Lines changed: 13 additions & 1 deletion
@@ -232,7 +232,19 @@ public function startTest($test)
             if (isset($annotations['class']['expectedDeprecation'])) {
                 $test->getTestResultObject()->addError($test, new AssertionFailedError('`@expectedDeprecation` annotations are not allowed at the class level.'), 0);
             }
-            if (isset($annotations['method']['expectedDeprecation']) || $this->checkNumAssertions = \in_array(ExpectDeprecationTrait::class, class_uses($test), true)) {
+
+            $class = \get_class($test);
+            $traits = [];
+
+            do {
+                $traits = array_merge(class_uses($class), $traits);
+            } while ($class = get_parent_class($class));
+
+            foreach ($traits as $trait => $same) {
+                $traits = array_merge(class_uses($trait), $traits);
+            }
+
+            if (isset($annotations['method']['expectedDeprecation']) || $this->checkNumAssertions = \in_array(ExpectDeprecationTrait::class, $traits, true)) {
                 if (isset($annotations['method']['expectedDeprecation'])) {
                     self::$expectedDeprecations = $annotations['method']['expectedDeprecation'];
                     self::$previousErrorHandler = set_error_handler([self::class, 'handleError']);