rra/ilgonmic/after-test-promise

[JS] Node downloading for js ir integration kotlin test

[JS] Fix API of Promise

[JS IR] Promise symbol as lazy2

[JS] Support legacy compiler aftertest with promises

[JS IR] Generate finally for promised tests

[JS] Setup it tests for JS IR kotlin-test

Merge-request: KT-MR-5168

^KT-49738 fixed

build.gradle.kts

@@ -672,6 +672,7 @@ tasks {
             ":kotlin-stdlib-js-ir",
             ":kotlin-test:kotlin-test-js-ir".takeIf { !kotlinBuildProperties.isInJpsBuildIdeaSync },
             ":kotlin-test:kotlin-test-js:kotlin-test-js-it".takeIf { !kotlinBuildProperties.isInJpsBuildIdeaSync },
+            ":kotlin-test:kotlin-test-js-ir:kotlin-test-js-ir-it".takeIf { !kotlinBuildProperties.isInJpsBuildIdeaSync },
             ":kotlinx-metadata-jvm",
             ":tools:binary-compatibility-validator"
         )).forEach {