implement skipped integration tests

[juwara0]

The sl-calendar component is going to be refactored to include support for timezone (offset) in issue: https://github.com/softlayer/sl-ember-components/issues/771. Once this work is completed the skipped integration tests will need to be finished. Please note that while the skipped tests are already partially implemented they will need to be adjusted to allow for the changes introduced by the addition of the timezone support.

[SpikedKira]

This can likely be closed by #1458. See #771 for details.