[erp5storage] Handle capacity schema

src/jio.storage/erp5storage.js

@@ -398,7 +398,7 @@
   ERP5Storage.prototype.hasCapacity = function (name) {
     return ((name === "list") || (name === "query") ||
             (name === "select") || (name === "limit") ||
-            (name === "sort"));
+            (name === "sort") || (name === "schema"));
   };
 
   function isSingleLocalRoles(parsed_query) {

test/jio.storage/erp5storage.tests.js

@@ -993,6 +993,7 @@
     ok(this.jio.hasCapacity("query"));
     ok(this.jio.hasCapacity("select"));
     ok(this.jio.hasCapacity("limit"));
+    ok(this.jio.hasCapacity("schema"));
   });
 
   /////////////////////////////////////////////////////////////////