[Gradle, JS] Fix parallel tasks test

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/NewMultiplatformIT.kt

@@ -67,17 +67,35 @@ class NewMultiplatformIT : BaseGradleIT() {
     @Test
     fun testLibAndApp() = doTestLibAndApp(
         "sample-lib",
-        "sample-app"
+        "sample-app",
+        JsMode.LEGACY
+    )
+
+    @Test
+    fun testLibAndAppJsIr() = doTestLibAndApp(
+        "sample-lib",
+        "sample-app",
+        JsMode.IR
     )
 
     @Test
     fun testLibAndAppWithGradleKotlinDsl() = doTestLibAndApp(
         "sample-lib-gradle-kotlin-dsl",
-        "sample-app-gradle-kotlin-dsl"
+        "sample-app-gradle-kotlin-dsl",
+        JsMode.LEGACY
+    )
+
+    @Test
+    fun testLibAndAppWithGradleKotlinDslJsIr() = doTestLibAndApp(
+        "sample-lib-gradle-kotlin-dsl",
+        "sample-app-gradle-kotlin-dsl",
+        JsMode.IR
     )
 
     private fun doTestLibAndApp(
-        libProjectName: String, appProjectName: String
+        libProjectName: String,
+        appProjectName: String,
+        jsMode: JsMode
     ) {
         val libProject = transformProjectWithPluginsDsl(libProjectName, directoryPrefix = "new-mpp-lib-and-app")
         val appProject = transformProjectWithPluginsDsl(appProjectName, directoryPrefix = "new-mpp-lib-and-app")
@@ -87,13 +105,17 @@ class NewMultiplatformIT : BaseGradleIT() {
             listOf("Jvm6", "NodeJs", "Metadata", "Wasm32", nativeHostTargetName.capitalize()).map { ":compileKotlin$it" }
 
         with(libProject) {
-            build("publish") {
+            build(
+                "publish",
+                options = defaultBuildOptions().copy(jsMode = jsMode)
+            ) {
                 assertSuccessful()
                 assertTasksExecuted(*compileTasksNames.toTypedArray(), ":jvm6Jar", ":nodeJsJar", ":metadataJar")
 
                 val groupDir = projectDir.resolve("repo/com/example")
                 val jvmJarName = "sample-lib-jvm6/1.0/sample-lib-jvm6-1.0.jar"
-                val jsJarName = "sample-lib-nodejs/1.0/sample-lib-nodejs-1.0.jar"
+                val jsExtension = if (jsMode == JsMode.LEGACY) "jar" else "klib"
+                val jsJarName = "sample-lib-nodejs/1.0/sample-lib-nodejs-1.0.$jsExtension"
                 val metadataJarName = "sample-lib-metadata/1.0/sample-lib-metadata-1.0.jar"
                 val wasmKlibName = "sample-lib-wasm32/1.0/sample-lib-wasm32-1.0.klib"
                 val nativeKlibName = "sample-lib-$nativeHostTargetName/1.0/sample-lib-$nativeHostTargetName-1.0.klib"
@@ -121,12 +143,19 @@ class NewMultiplatformIT : BaseGradleIT() {
                 Assert.assertTrue("com/example/lib/CommonKt.class" in jvmJarEntries)
                 Assert.assertTrue("com/example/lib/MainKt.class" in jvmJarEntries)
 
+                when (jsMode) {
+                    JsMode.LEGACY -> {
                         val jsJar = ZipFile(groupDir.resolve(jsJarName))
                         val compiledJs = jsJar.getInputStream(jsJar.getEntry("sample-lib.js")).reader().readText()
                         Assert.assertTrue("function id(" in compiledJs)
                         Assert.assertTrue("function idUsage(" in compiledJs)
                         Assert.assertTrue("function expectedFun(" in compiledJs)
                         Assert.assertTrue("function main(" in compiledJs)
+                    }
+                    JsMode.IR -> {
+                        groupDir.resolve(jsJarName).exists()
+                    }
+                }
 
                 val metadataJarEntries = ZipFile(groupDir.resolve(metadataJarName)).entries().asSequence().map { it.name }.toSet()
                 Assert.assertTrue("com/example/lib/CommonKt.kotlin_metadata" in metadataJarEntries)
@@ -171,10 +200,12 @@ class NewMultiplatformIT : BaseGradleIT() {
                     Assert.assertTrue(resolve("com/example/app/AKt.kotlin_metadata").exists())
                 }
 
+                if (jsMode == JsMode.LEGACY) {
                     projectDir.resolve(targetClassesDir("nodeJs")).resolve("sample-app.js").readText().run {
                         Assert.assertTrue(contains("console.info"))
                         Assert.assertTrue(contains("function nodeJsMain("))
                     }
+                }
 
                 projectDir.resolve(targetClassesDir("wasm32")).run {
                     Assert.assertTrue(resolve("sample-app.klib").exists())
@@ -209,11 +240,18 @@ class NewMultiplatformIT : BaseGradleIT() {
                 it.replace(Regex("""\.version\(.*\)"""), "")
             }
 
-            build("clean", "assemble", "--rerun-tasks") {
+            build(
+                "clean",
+                "assemble",
+                "--rerun-tasks",
+                options = defaultBuildOptions().copy(jsMode = jsMode)
+            ) {
                 checkAppBuild()
             }
         }
 
+        if (jsMode != JsMode.LEGACY) return
+
         with(oldStyleAppProject) {
             setupWorkingDir()
             gradleBuildScript().appendText("\nallprojects { repositories { maven { url '$libLocalRepoUri' } } }")