Kotlin testing patterns with Kotest, MockK, coroutine testing, property-based testing, and Kover coverage. Follows TDD methodology with idiomatic Kotlin practices. Use when writing Kotlin tests with Kotest or MockK, or testing coroutines and checking coverage.
Install
npx skills add affaan-m/ECC --skill kotlin-testingnpx skills add affaan-m/ECC --skill kotlin-testing -a claude-code -gnpx skills add affaan-m/ECC --skill kotlin-testing -a codex -ggemini skills install https://github.com/affaan-m/ECC.git --path docs/es/skills/kotlin-testinggh skill install affaan-m/ECC kotlin-testinggit clone --depth 1 https://github.com/affaan-m/ECC /tmp/affaan-m__ECC
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/affaan-m__ECC/docs/es/skills/kotlin-testing ~/.claude/skills/kotlin-testing # Claude Code
cp -R /tmp/affaan-m__ECC/docs/es/skills/kotlin-testing ~/.agents/skills/kotlin-testing # Codex, Cursor, Gemini CLI, Copilot, OpenCode