zhztheplayer opened a new pull request, #52830:
URL: https://github.com/apache/spark/pull/52830
### What changes were proposed in this pull request?
Add the following code in `HashedRelationSuite`, to cover the API
`HashedRelation#close` in the test suite.
```scala
protected override def afterEach(): Unit = {
super.afterEach()
assert(umm.executionMemoryUsed === 0)
}
```
Doing this will:
1. Ensure `HashedRelation#close` is called in test code, to lower memory
footprint and avoid memory leak when executing tests.
2. Ensure implementations of `HashedRelation#close` free the allocated
memory blocks correctly.
### Why are the changes needed?
It's an individual effort to improve the test quality, but also a
prerequisite task for https://github.com/apache/spark/pull/52817.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
It's a test PR.
### Was this patch authored or co-authored using generative AI tooling?
No.
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