Description of changes: Changed async channel.close() operations in tests to sync. This is done in order to address intermittent failures occurring in nightly CI builds.
Testing done: Ran CI tests locally about 10 times, both with and without CPU restrictions on the container, and verified that the tests succeed.
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
Issue #, if available: N/A
Description of changes: Changed async channel.close() operations in tests to sync. This is done in order to address intermittent failures occurring in nightly CI builds.
Testing done: Ran CI tests locally about 10 times, both with and without CPU restrictions on the container, and verified that the tests succeed.
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.