tree bb9812547d2f09460e2a652402027fb1dc9d126a
parent 5b63d74608e64109d8ffbedb33930e7c4725f339
author Paul Berry <paulberry@google.com> 1557258928 +0000
committer commit-bot@chromium.org <commit-bot@chromium.org> 1557258928 +0000

Replace most uses of assertConstraint with assertConnection.

This helps reduce the use of constraint variables in nullability
migration tests.

Change-Id: I48fb540489b1124f278b542a7f847c4dd3270185
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/101465
Commit-Queue: Paul Berry <paulberry@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>