Run JS tests on transformed kotlinx-coroutines-core-js module files

todo: use transformed test files, too.

Author: elizarov

gradle/node-js.gradle

@@ -26,8 +26,8 @@ task prepareNodePackage(type: Copy) {
 
 npmInstall.dependsOn prepareNodePackage
 
-task populateNodeModules(type: Copy, dependsOn: [compileKotlin2Js]) {
-    from compileKotlin2Js.destinationDir
+task populateNodeModules(type: Copy) {
+    from sourceSets.main.output
     into "$node.nodeModulesDir/node_modules"
 
     afterEvaluate {

gradle/test-mocha-js.gradle

@@ -13,6 +13,7 @@ task installDependenciesMochaNode(type: NpmTask, dependsOn: [npmInstall]) {
             "mocha-teamcity-reporter@$mocha_teamcity_reporter_version"]
 }
 
+// todo: use atomicfu-transformed test files here (not critical)
 task testMochaNode(type: NodeTask, dependsOn: [compileTestKotlin2Js, installDependenciesMochaNode]) {
     script = file("$node.nodeModulesDir/node_modules/mocha/bin/mocha")
     args = [compileTestKotlin2Js.outputFile, '--require', 'source-map-support/register']