[Shinoj Manikkoth mundayadan (shinojmm)]

Motivation and Context

TextPlugin had no tests for the cultureInfo parameter of Uppercase/Lowercase, and Echo had no tests at all.

Description

• Added tests for Uppercase and Lowercase with a specific culture (tr-TR).
• Added a theory test for Echo.
• Test-only change, no production code modified.

Contribution Checklist

• The code builds clean without any errors or warnings
• The PR follows the SK Contribution Guidelines
• All unit tests pass, and I have added new tests where possible
• I didn't break anyone 😄

[Copilot]

🟢 Approval recommended

The focused test additions correctly validate existing behavior with no unresolved issues.

0 open findings

What changed in this PR

Adds missing TextPlugin unit coverage for culture-aware casing and echo behavior.

Changes:

• Tests Turkish uppercase and lowercase rules.
• Adds parameterized tests for Echo.

File	Description
dotnet/​src/​Plugins/​Plugins.UnitTests/​Core/​TextPluginTests.cs	Adds culture-specific casing and echo tests.

🧠 Review effort: Balanced

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[Shinoj Manikkoth mundayadan (shinojmm)]

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[Shinoj Manikkoth mundayadan (shinojmm)]

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