martin-g opened a new pull request #35976:
URL: https://github.com/apache/spark/pull/35976
### What changes were proposed in this pull request?
Replace symbols like 'abc and Symbol("abc") (where possible) with the more
verbose $"abc" in the test code.
### Why are the changes needed?
This is a follow-up of #35560
Building with Scala 2.13 produces a lot of warnings like the following ones:
```
[warn]
/home/runner/work/spark/spark/sql/core/src/test/scala/org/apache/spark/sql/execution/BaseScriptTransformationSuite.scala:562:11:
[deprecation @ | origin= | version=2.13.0] symbol literal is deprecated; use
Symbol("d") instead
[warn] 'd.cast("string"),
[warn] ^
[warn]
/home/runner/work/spark/spark/sql/core/src/test/scala/org/apache/spark/sql/execution/BaseScriptTransformationSuite.scala:563:11:
[deprecation @ | origin= | version=2.13.0] symbol literal is deprecated; use
Symbol("e") instead
[warn] 'e.cast("string")).collect())
```
This should make it easier to upgrade to Scala 3 later.
### Does this PR introduce _any_ user-facing change?
No! The PR touches only test classes!
### How was this patch tested?
The build at CI must be green!
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