Fix remaining tests

Author: jderusse

DependencyInjection/Configuration.php

@@ -264,7 +264,7 @@ private function addWorkflowSection(ArrayNodeDefinition $rootNode)
                     ->canBeEnabled()
                     ->beforeNormalization()
                         ->always(function ($v) {
-                            if (true === $v['enabled']) {
+                            if (\is_array($v) && true === $v['enabled']) {
                                 $workflows = $v;
                                 unset($workflows['enabled']);