**Description:** <Describe what has changed.>
<!--Ex. Fixing a bug - Describe the bug and how this fixes the issue.
Ex. Adding a feature - Explain what this achieves.-->
Leaking goroutines were detected that were caused by a dependency that
we can ignore (`go.opencensus.io/stats/view.(*worker).start`), as well
as a missing server close call.
**Link to tracking Issue:** <Issue number if applicable>
#9165
**Testing:** <Describe what testing was performed and which tests were
added.>
Added check is passing as well as existing tests.