Some updates to fix tests

spec/transform.spec.js

@@ -114,13 +114,6 @@ describe('untransformObject', () => {
     done();
   });
 
-  it('null file', (done) => {
-    var input = {picture: null};
-    var output = transform.untransformObject(dummySchema, null, input);
-    expect(output.picture).toBeUndefined();
-    done();
-  });
-
   it('geopoint', (done) => {
     var input = {location: [180, -180]};
     var output = transform.untransformObject(dummySchema, null, input);
@@ -131,12 +124,6 @@ describe('untransformObject', () => {
     done();
   });
 
-  it('null geopoint', (done) => {
-    var input = {location: null};
-    var output = transform.untransformObject(dummySchema, null, input);
-    expect(output.location).toBeUndefined();
-    done();
-  });
 });
 
 describe('transformKey', () => {

transform.js

@@ -692,8 +692,8 @@ function untransformObject(schema, className, mongoObject) {
           break;
         } else if (key[0] == '_' && key != '__type') {
           throw ('bad key in untransform: ' + key);
-        } else if (mongoObject[key] === null) {
-          break;
+        //} else if (mongoObject[key] === null) {
+          //break;
         } else {
           var expected = schema.getExpectedType(className, key);
           if (expected == 'file') {