Replaced the JiBXException by MarshallingException.
1. Set knb to version 2.2. Centralize the lter tests into one class.
'Change the verion of the production CN from the v1 to the v2.
merge from 2.0 branch: use updated node list information from cn-dev so that test will match current state of env. https://redmine.dataone.org/issues/7534
The mn-demo-6 is a v2 member node.
Add a test case to test against a v1 cn.
A test class is used to test the D1NodeVersionChecker class.