tests: adopt two tests

test/jsonform_test.js

@@ -127,7 +127,20 @@
       });
   });
 
+  // Json schema test suite written for validator check i use it for form generator check,
+  // so i need change some tests.
   test_settings = {
+    // `null` type field used so json_document changed on render and invert validation
+    "allOf with base schema: mismatch second allOf": {
+      invert_valid: true,
+      changed: true
+    },
+    // schema.default used for field if field undefined so json_document changed after
+    // render() and valid status inverted
+    "invalid string value for default: still valid when the invalid default is used": {
+      invert_valid: true,
+      changed: true
+    }
   };
 
   skip_files = [
@@ -211,7 +224,7 @@
             assert.notOk("value not parsable:'" +
                          returned_value + "'\n" + error);
           }
-          if (!changed) {
+          if (!(changed || settings.changed)) {
             assert.deepEqual(returned_value, value,
               "document does not changed while rendered");
           } else {