test: increase the timeout for the image generation test which failed on CI with the previous timeout

Author: AlekseyManetov

client/src/app/util/__tests__/generateImageSpec.js

@@ -1,13 +1,13 @@
-/**
- * Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
- * under one or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information regarding copyright
- * ownership.
- *
- * Camunda licenses this file to you under the MIT; you may not use this file
- * except in compliance with the MIT License.
- */
-
+/**
+ * Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
+ * under one or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information regarding copyright
+ * ownership.
+ *
+ * Camunda licenses this file to you under the MIT; you may not use this file
+ * except in compliance with the MIT License.
+ */
+
 export function insertCSS(name, css) {
   if (document.querySelector('[data-css-file="' + name + '"]')) {
     return;
@@ -27,4 +27,4 @@ export function insertCSS(name, css) {
   }
 
   head.appendChild(style);
-}
+}