fix: typos in Sample annotations

[xstefank]

[Copilot]

Pull request overview

This PR fixes typos in @Sample annotations by removing erroneous trailing backslashes from the description text blocks in two test classes.

• Removes trailing backslash characters (\) that were incorrectly present at the end of multi-line description strings in @Sample annotations

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
PeriodicCleanerExpectationIT.java	Removes trailing backslash from the description text in the @Sample annotation
ExpectationIT.java	Removes trailing backslash from the description text in the @Sample annotation

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[csviri]

LGTM, thx!