[SPARK-48578][SQL][FOLLOWUP] Fix dev/scalastyle error for ExpressionImplUtilsSuite

[panbingkun]

What changes were proposed in this pull request?

The pr is following up #46845, to fix dev/scalastyle check error.

Why are the changes needed?

Make sh dev/scalastyle happy.

Does this PR introduce any user-facing change?

No.

How was this patch tested?

Manually test

sh dev/scakastyle

Before:

(base) ➜  spark-community git:(master) ✗ sh dev/scalastyle
-e Scalastyle checks failed at following occurrences:
[error] /Users/panbingkun/Developer/spark/spark-community/sql/catalyst/src/test/java/org/apache/spark/sql/catalyst/expressions/ExpressionImplUtilsSuite.scala:394:28: nonascii.message
[error] /Users/panbingkun/Developer/spark/spark-community/sql/catalyst/src/test/java/org/apache/spark/sql/catalyst/expressions/ExpressionImplUtilsSuite.scala:396:28: nonascii.message
[error] Total time: 23 s, completed Jun 26, 2024, 9:49:06 AM

After:

(base) ➜  spark-community git:(fix_scalastyle) ✗ sh dev/scalastyle
-e Scalastyle checks passed.

Was this patch authored or co-authored using generative AI tooling?

No.

[panbingkun]

cc @HyukjinKwon @cloud-fan @uros-db

[cloud-fan]

thanks for the fix!

[cloud-fan]

let me merge it now to unblock the CI.

[uros-db]

I'm a bit late to the party, thanks for the fix!