LPS-45455 Add Test
LPS-45455 getLayoutFullURL returns invalid URL
LPS-45455 Source formatting
LPS-45457 Add getLayoutRelativeURL
LPS-45457 Test - Add new initThemeDisplay method
LPS-45457 Test - Use the new initThemeDisplay method
LPS-45457 Test - rename layout, add privateLayout
LPS-45457 Test - Source formatting
LPS-45457 Test - Add Test method for PortalImpl.getLayoutRelativeURL()
LPS-45457 Test - Source formatting
LPS-45459 Fix backURL in Control Panel
LPS-45457 Apply same SF to other cases.

If group has been created for the test, removing it cannot generate a RequiredGroupException.
LPS-45457 Doesn't deleting the group delete its layouts?
LPS-45457 SF