KotlinMultiplatformProjectTemplate/gradle/templates/enableMPPWasmJs.gradle

kotlin {
    wasmJs {
        browser {
            testTask {
                useKarma {
                    useChromeHeadless()
                    useConfigDirectory(rootProject.relativeProjectPath("gradle/karma.config.d"))
                }
            }
        }
        nodejs {
            testTask {
                timeout = Duration.ofSeconds(240)
                nodeJsArgs.add("--unhandled-rejections=warn")
                nodeJsArgs.add("--trace-warnings")
            }
        }
    }

    sourceSets {
        wasmJsTest {
            dependencies {
                implementation kotlin('test-wasm-js')
            }
        }
    }
}