FLUID-5472: Added a unit test to demonstrate an issue with inverting valueMapper transform.
FLUID-5472: Adjusted supplied test case to demonstrate use of long form valueMapper
Merge remote-tracking branch 'amb26/FLUID-5472'

* amb26/FLUID-5472:
  FLUID-5472: Adjusted supplied test case to demonstrate use of long form valueMapper
  FLUID-5472: Added a unit test to demonstrate an issue with inverting valueMapper transform.