Unit test for partial Realm schema updates (#2064)
Unit test for partial Realm schema updates (#2064)

* Add a unit test to verify that the schema of partial Realms gets updated after open

* Add another test that demonstrates the problem

* ensure realm is uploaded

* Add a test to ensure the schema change handler is invoked

realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js