[AF] Add an integration tests for conflicting billing address ids

Bug: 894001
Change-Id: Ia0d5092b6d3dcac8455ee57ebc372ff44b2821d3
Reviewed-on: https://chromium-review.googlesource.com/c/1358439
Commit-Queue: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Reviewed-by: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#613104}
1 file changed