DownstreamCreatorTest: Don't depend on HashMap ordering

The underlying code populates the result list based on iteration order
of a HashMap, which is not guaranteed and can vary from run to run.
Deflake the tests by using a Truth assertion that doesn't require the
expected values to be found in order.

Change-Id: I5c98d96a8c5739925abf6c9468579649a5a7961b
1 file changed
tree: e8af2201e5ec7bf0d4908b076cb92dd6775b3133
  1. lib/
  2. src/
  3. .buckconfig
  4. .gitignore
  5. BUCK
  6. LICENSE
  7. LICENSE-re2j