Generates production-grade JUnit 5 unit and integration tests in Java. Covers assertions, parameterized tests, lifecycle hooks, mocking with Mockito, and nested tests. Use when user mentions "JUnit", "JUnit 5", "@Test", "assertEquals", "Assertions", "Java unit test". Triggers on: "JUnit", "@Test", "assertEquals", "Java test", "unit test Java".
Install
npx skills add LambdaTest/agent-skills --skill junit-5-skillnpx skills add LambdaTest/agent-skills --skill junit-5-skill -a claude-code -gnpx skills add LambdaTest/agent-skills --skill junit-5-skill -a codex -ggemini skills install https://github.com/LambdaTest/agent-skills.git --path junit-5-skillgh skill install LambdaTest/agent-skills junit-5-skillgit clone --depth 1 https://github.com/LambdaTest/agent-skills /tmp/LambdaTest__agent-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/LambdaTest__agent-skills/junit-5-skill ~/.claude/skills/junit-5-skill # Claude Code
cp -R /tmp/LambdaTest__agent-skills/junit-5-skill ~/.agents/skills/junit-5-skill # Codex, Cursor, Gemini CLI, Copilot, OpenCode