Test: Improving test performance by moving fixture loading from occuring
with every test suite to once per inclusion of the fixture test case.

Running suite localy the results are:

Previously
  Spec: 2013 sec (33.55 mins)
  Test: 543 sec (9 mins)
  Total: 44 mins

Moving fixture loading
  Spec: 626 sec (10.4 mins)
  Test: 322 sec (5.3 mins)
  Total: 20 mins
Merge pull request #3693 from ehelms/test-performance

Test: Improving test performance by moving fixture loading from occuring