Related to #2971 display names

[bibekparajuli123]

pull request

Description

Add @DisplayName annotations to test methods based on canonical data

Changes

Added DisplayName annotations to the following exercises:

• rectangles
• relative-distance
• resistor-color-duo
• resistor-color-trio
• resistor-color
• rest-api
• reverse-string

Testing

All tests pass successfully (verified with ./gradlew test)

Related Issue

Addresses #2971 (DisplayName annotations initiative)

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[github-actions]

This PR touches files which potentially affect the outcome of the tests of an exercise. This will cause all students' solutions to affected exercises to be re-tested.

If this PR does not affect the result of the test (or, for example, adds an edge case that is not worth rerunning all tests for), please add the following to the merge-commit message which will stops student's tests from re-running. Please copy-paste to avoid typos.

[no important files changed]

For more information, refer to the documentation. If you are unsure whether to add the message or not, please ping @exercism/maintainers-admin in a comment. Thank you!

[jagdish-15]

Good work, @bibekparajuli123!
Just a couple of small nits to address.

[jagdish-15]

Suggested change

	import org.junit.jupiter.api.DisplayName;
	import org.junit.jupiter.api.Test;
	import org.junit.jupiter.api.Disabled;
	import org.junit.jupiter.api.Disabled;
	import org.junit.jupiter.api.DisplayName;
	import org.junit.jupiter.api.Test;

Can you also move this up, so the imports are nicely arranged in a alphabetical order?

[jagdish-15]

Suggested change

	import org.junit.jupiter.api.BeforeEach;
	import org.junit.jupiter.api.DisplayName;
	import org.junit.jupiter.api.Test;
	import org.junit.jupiter.api.Disabled;
	import org.junit.jupiter.api.BeforeEach;
	import org.junit.jupiter.api.Disabled;
	import org.junit.jupiter.api.DisplayName;
	import org.junit.jupiter.api.Test;

This one too!

[jagdish-15]

Suggested change

	import org.junit.jupiter.api.BeforeEach;
	import org.junit.jupiter.api.DisplayName;
	import org.junit.jupiter.api.Test;
	import org.junit.jupiter.api.Disabled;
	import static org.assertj.core.api.Assertions.assertThat;
	import org.junit.jupiter.api.BeforeEach;
	import org.junit.jupiter.api.Disabled;
	import org.junit.jupiter.api.DisplayName;
	import org.junit.jupiter.api.Test;
	import static org.assertj.core.api.Assertions.assertThat;

[bibekparajuli123]

Good work, @bibekparajuli123! Just a couple of small nits to address.
Fixed in latest commit

[jagdish-15]

Suggested change

	@DisplayName("Complex graph, some shortcuts, cross-down and cross-up, cousins several times removed, with unrelated family tree")
	@DisplayName(
	"Complex graph, some shortcuts, cross-down and cross-up, " +
	"cousins several times removed, with unrelated family tree"
	)

This change will fix the checkstyle error. The line length needs to be under 120 characters, which is why the tests were failing.

[bibekparajuli123]

Thank you for catching this! I've fixed the long display name by breaking it into multiple lines as suggested.
The checkstyle error should now be resolved. Thanks for the guidance!