Simplify testVpnRestrictedUsers.

Code review comments have suggested that this test is too long
and difficult to understand. Split it into two tests and put some
of the common setup into setup methods and statics.

Bug: 173331190
Test: test-only change
Change-Id: I9fa888c940d7048f1ba6836a5706fbdb84b5f5c9
1 file changed
tree: 9cc7b162cee03e58d0966e03cff77d269d1fe22d
  1. core/
  2. service/
  3. services/
  4. tests/
  5. OWNERS