KT-15120 Gradle JS test compile task doesn't pick up production code

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/Kotlin2JsGradlePluginIT.kt

@@ -15,9 +15,9 @@ class Kotlin2JsGradlePluginIT : BaseGradleIT() {
             assertReportExists()
 
             assertContains(
-                    ":libraryProject:jarSources\n",
-                    ":mainProject:compileKotlin2Js\n",
-                    ":libraryProject:compileKotlin2Js\n"
+                    ":libraryProject:jarSources",
+                    ":mainProject:compileKotlin2Js",
+                    ":libraryProject:compileKotlin2Js"
             )
 
             listOf("mainProject/web/js/app.js",
@@ -75,6 +75,23 @@ class Kotlin2JsGradlePluginIT : BaseGradleIT() {
         }
     }
 
+    @Test
+    fun testCompileTestCouldAccessProduction() {
+        val project = Project("kotlin2JsProjectWithTests", "2.10")
+        
+        project.build("build") {
+            assertSuccessful()
+            
+            assertContains(
+                    ":compileKotlin2Js",
+                    ":compileTestKotlin2Js"
+            )
+
+            assertFileExists("build/kotlin2js/main/module.js")
+            assertFileExists("build/kotlin2js/test/module-tests.js")
+        }
+    }
+
     @Test
     fun testKotlinJsBuiltins() {
         val project = Project("kotlinBuiltins", "3.2")
@@ -90,4 +107,3 @@ class Kotlin2JsGradlePluginIT : BaseGradleIT() {
         }
     }
 }
-

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin2JsProjectWithTests/build.gradle

@@ -0,0 +1,29 @@
+buildscript {
+    repositories {
+        mavenLocal()
+    }
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+apply plugin: 'kotlin2js'
+
+repositories {
+    mavenLocal()
+}
+
+dependencies {
+    compile "org.jetbrains.kotlin:kotlin-js-library:$kotlin_version"
+}
+
+task jarSources(type: Jar) {
+    from sourceSets.main.allSource
+    classifier = 'source'
+}
+artifacts {
+    compile jarSources
+}
+
+compileKotlin2Js.kotlinOptions.outputFile = "${buildDir}/kotlin2js/main/module.js"
+compileTestKotlin2Js.kotlinOptions.outputFile = "${buildDir}/kotlin2js/test/module-tests.js"

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin2JsProjectWithTests/src/main/kotlin/Main.kt

@@ -0,0 +1,5 @@
+package example
+
+class MyProductionClass {
+    var i = 0
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kotlin2JsProjectWithTests/src/test/kotlin/MainTest.kt

@@ -0,0 +1,11 @@
+package test
+
+import org.junit.Test
+import example.MyProductionClass
+
+class MyTest {
+    @Test
+    fun mySimpleTest() {
+        MyProductionClass().i = 10
+    }
+}