Refactor tests for TerminationPoint options
This change refactors the test procedure for TerminationPoint options.
Functionality is added to perform "update" tests for the TerminationPoint
options field. The existing test case for Create, Read & Delete of
TerminationPoint options is consolidated with the new update test procedure
resulting in one test containing 16 test cases for full CRUD coverage.
Change-Id: Icf7cabf824b09e7b27e5af4ec11bb561bd10cfdf
Signed-off-by: Ryan Goulding <ryandgoulding@gmail.com>