node2:
  values:
    '2015-12-01':
      value: 1.0

description : A dummy description
reference: A dummy reference
node2:
  description : A dummy description
  reference: A dummy reference
  values:
    '2015-12-01':
      value: 1.0
      reference: A dummy reference

Improve a test of parameter validation
Improve a test of parameter validation
