Merged FILE-FOLDER-API (5.2.0) to HEAD (5.2)

121799 jvonka: FileFolder API - minor validation fix when listing children via "relativePath" 
   - also check type of parentId (to be a folder) before (as well as after) resolving relative path
   RA-753


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@126419 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/test-java/org/alfresco/rest/api/tests/NodeApiTest.java

@@ -498,6 +498,10 @@ public class NodeApiTest extends AbstractBaseApiTest
         // -ve test - try to list children using relative path to node that is of wrong type (ie. not a folder/container)
         params = Collections.singletonMap("relativePath", folder1 + "/" + contentF1);
         getAll(myChildrenUrl, user1, paging, params, 400);
+
+        // -ve test - list folder children for non-folder node with relative path should return 400
+        params = Collections.singletonMap("relativePath", "/unknown");
+        getAll(getChildrenUrl(contentNodeRef), user1, paging, params, 400);
     }
 
     /**