diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinJsIrSubTarget.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinJsIrSubTarget.kt
index 6260eb4d24d..7891276e0ca 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinJsIrSubTarget.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinJsIrSubTarget.kt
@@ -11,7 +11,6 @@ import org.gradle.language.base.plugins.LifecycleBasePlugin
 import org.jetbrains.kotlin.gradle.plugin.AbstractKotlinTargetConfigurator
 import org.jetbrains.kotlin.gradle.plugin.KotlinCompilation
 import org.jetbrains.kotlin.gradle.plugin.KotlinTargetWithTests
-import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinJsCompilation
 import org.jetbrains.kotlin.gradle.plugin.whenEvaluated
 import org.jetbrains.kotlin.gradle.targets.js.KotlinJsIrPlatformTestRun
 import org.jetbrains.kotlin.gradle.targets.js.dsl.KotlinJsIrSubTargetDsl
@@ -112,7 +111,7 @@ abstract class KotlinJsIrSubTarget(
         }
     }
 
-    private fun configureTestsRun(testRun: KotlinJsIrPlatformTestRun, compilation: KotlinJsCompilation) {
+    private fun configureTestsRun(testRun: KotlinJsIrPlatformTestRun, compilation: KotlinJsIrCompilation) {
         fun KotlinJsIrPlatformTestRun.subtargetTestTaskName(): String = disambiguateCamelCased(
             lowerCamelCaseName(
                 name.takeIf { it != KotlinTargetWithTests.DEFAULT_TEST_RUN_NAME },
diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinJsIrTest.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinJsIrTest.kt
new file mode 100644
index 00000000000..7e94f64343b
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinJsIrTest.kt
@@ -0,0 +1,127 @@
+/*
+ * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.targets.js.ir
+
+import groovy.lang.Closure
+import org.gradle.api.file.FileCollection
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.InputFiles
+import org.gradle.api.tasks.Internal
+import org.gradle.process.internal.DefaultProcessForkOptions
+import org.gradle.util.ConfigureUtil
+import org.jetbrains.kotlin.gradle.internal.testing.TCServiceMessagesTestExecutionSpec
+import org.jetbrains.kotlin.gradle.targets.js.RequiredKotlinJsDependency
+import org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootPlugin
+import org.jetbrains.kotlin.gradle.targets.js.npm.LoadNpmModules
+import org.jetbrains.kotlin.gradle.targets.js.npm.RequiresNpmDependencies
+import org.jetbrains.kotlin.gradle.targets.js.npm.npmProject
+import org.jetbrains.kotlin.gradle.targets.js.testing.karma.KotlinKarma
+import org.jetbrains.kotlin.gradle.targets.js.testing.mocha.KotlinMocha
+import org.jetbrains.kotlin.gradle.tasks.KotlinTest
+
+open class KotlinJsIrTest :
+    KotlinTest(),
+    RequiresNpmDependencies,
+    LoadNpmModules {
+    private val nodeJs get() = NodeJsRootPlugin.apply(project.rootProject)
+
+    @get:Internal
+    internal var testFramework: KotlinJsIrTestFramework? = null
+
+    @Suppress("unused")
+    val testFrameworkSettings: String
+        @Input get() = testFramework!!.settingsState
+
+    @Input
+    var debug: Boolean = false
+
+    @Internal
+    override lateinit var compilation: KotlinJsIrCompilation
+
+    @Suppress("unused")
+    val runtimeClasspath: FileCollection
+        @InputFiles get() = compilation.runtimeDependencyFiles
+
+    @Suppress("unused")
+    internal val compilationOutputs: FileCollection
+        @InputFiles get() = compilation.output.allOutputs
+
+    @Suppress("unused")
+    val compilationId: String
+        @Input get() = compilation.let {
+            val target = it.target
+            target.project.path + "@" + target.name + ":" + it.compilationName
+        }
+
+    override val nodeModulesToLoad: List<String>
+        @Internal get() = listOf("./" + compilation.npmProject.main)
+
+    override val nodeModulesRequired: Boolean
+        @Internal get() = testFramework!!.nodeModulesRequired
+
+    override val requiredNpmDependencies: Collection<RequiredKotlinJsDependency>
+        @Internal get() = testFramework!!.requiredNpmDependencies
+
+    @Deprecated("Use useMocha instead", ReplaceWith("useMocha()"))
+    fun useNodeJs() = useMocha()
+
+    @Deprecated("Use useMocha instead", ReplaceWith("useMocha(body)"))
+    fun useNodeJs(body: KotlinMocha.() -> Unit) = useMocha(body)
+
+    @Deprecated("Use useMocha instead", ReplaceWith("useMocha(fn)"))
+    fun useNodeJs(fn: Closure<*>) {
+        useMocha {
+            ConfigureUtil.configure(fn, this)
+        }
+    }
+
+    fun useMocha() = useMocha {}
+    fun useMocha(body: KotlinMocha.() -> Unit) = use(KotlinMocha(compilation), body)
+    fun useMocha(fn: Closure<*>) {
+        useMocha {
+            ConfigureUtil.configure(fn, this)
+        }
+    }
+
+    fun useKarma() = useKarma {}
+    fun useKarma(body: KotlinKarma.() -> Unit) = use(KotlinKarma(compilation), body)
+    fun useKarma(fn: Closure<*>) {
+        useKarma {
+            ConfigureUtil.configure(fn, this)
+        }
+    }
+
+    private inline fun <T : KotlinJsIrTestFramework> use(runner: T, body: T.() -> Unit): T {
+        check(testFramework == null) {
+            "testFramework already configured for task ${this.path}"
+        }
+
+        val testFramework = runner.also(body)
+        this.testFramework = testFramework
+
+        return testFramework
+    }
+
+    override fun executeTests() {
+        nodeJs.npmResolutionManager.checkRequiredDependencies(this)
+        super.executeTests()
+    }
+
+    override fun createTestExecutionSpec(): TCServiceMessagesTestExecutionSpec {
+        val forkOptions = DefaultProcessForkOptions(fileResolver)
+        forkOptions.workingDir = compilation.npmProject.dir
+        forkOptions.executable = nodeJs.environment.nodeExecutable
+
+        val nodeJsArgs = mutableListOf<String>()
+
+        return testFramework!!.createTestExecutionSpec(
+            task = this,
+            forkOptions = forkOptions,
+            nodeJsArgs = nodeJsArgs,
+            debug = debug
+        )
+    }
+}
\ No newline at end of file
diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinJsIrTestFramework.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinJsIrTestFramework.kt
new file mode 100644
index 00000000000..ba78e6d9f10
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/ir/KotlinJsIrTestFramework.kt
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.targets.js.ir
+
+import org.gradle.process.ProcessForkOptions
+import org.jetbrains.kotlin.gradle.internal.testing.TCServiceMessagesTestExecutionSpec
+import org.jetbrains.kotlin.gradle.targets.js.npm.RequiresNpmDependencies
+
+interface KotlinJsIrTestFramework : RequiresNpmDependencies {
+    val settingsState: String
+
+    fun createTestExecutionSpec(
+        task: KotlinJsIrTest,
+        forkOptions: ProcessForkOptions,
+        nodeJsArgs: MutableList<String>,
+        debug: Boolean
+    ): TCServiceMessagesTestExecutionSpec
+
+    /*
+    override val nodeModulesRequired: Boolean
+        get() = true
+     */
+}
\ No newline at end of file
diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/LoadNpmModules.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/LoadNpmModules.kt
new file mode 100644
index 00000000000..7b3cbcab6f2
--- /dev/null
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/LoadNpmModules.kt
@@ -0,0 +1,10 @@
+/*
+ * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.targets.js.npm
+
+interface LoadNpmModules {
+    val nodeModulesToLoad: List<String>
+}
\ No newline at end of file
diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/KotlinJsTest.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/KotlinJsTest.kt
index 91af08a9abf..87735072d50 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/KotlinJsTest.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/KotlinJsTest.kt
@@ -16,13 +16,17 @@ import org.jetbrains.kotlin.gradle.internal.testing.TCServiceMessagesTestExecuti
 import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinJsCompilation
 import org.jetbrains.kotlin.gradle.targets.js.RequiredKotlinJsDependency
 import org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootPlugin
+import org.jetbrains.kotlin.gradle.targets.js.npm.LoadNpmModules
 import org.jetbrains.kotlin.gradle.targets.js.npm.RequiresNpmDependencies
 import org.jetbrains.kotlin.gradle.targets.js.npm.npmProject
 import org.jetbrains.kotlin.gradle.targets.js.testing.karma.KotlinKarma
 import org.jetbrains.kotlin.gradle.targets.js.testing.mocha.KotlinMocha
 import org.jetbrains.kotlin.gradle.tasks.KotlinTest
 
-open class KotlinJsTest : KotlinTest(), RequiresNpmDependencies {
+open class KotlinJsTest :
+    KotlinTest(),
+    RequiresNpmDependencies,
+    LoadNpmModules {
     private val nodeJs get() = NodeJsRootPlugin.apply(project.rootProject)
 
     @get:Internal
@@ -53,7 +57,7 @@ open class KotlinJsTest : KotlinTest(), RequiresNpmDependencies {
             target.project.path + "@" + target.name + ":" + it.compilationName
         }
 
-    val nodeModulesToLoad: List<String>
+    override val nodeModulesToLoad: List<String>
         @Internal get() = listOf("./" + compilation.npmProject.main)
 
     override val nodeModulesRequired: Boolean
diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/karma/KotlinKarma.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/karma/KotlinKarma.kt
index 663fb13af7a..fc093f820df 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/karma/KotlinKarma.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/karma/KotlinKarma.kt
@@ -20,16 +20,23 @@ import org.jetbrains.kotlin.gradle.targets.js.NpmPackageVersion
 import org.jetbrains.kotlin.gradle.targets.js.RequiredKotlinJsDependency
 import org.jetbrains.kotlin.gradle.targets.js.appendConfigsFromDir
 import org.jetbrains.kotlin.gradle.targets.js.internal.parseNodeJsStackTraceAsJvm
+import org.jetbrains.kotlin.gradle.targets.js.ir.KotlinJsIrTest
+import org.jetbrains.kotlin.gradle.targets.js.ir.KotlinJsIrTestFramework
 import org.jetbrains.kotlin.gradle.targets.js.jsQuoted
 import org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootPlugin
+import org.jetbrains.kotlin.gradle.targets.js.npm.LoadNpmModules
+import org.jetbrains.kotlin.gradle.targets.js.npm.RequiresNpmDependencies
 import org.jetbrains.kotlin.gradle.targets.js.npm.npmProject
 import org.jetbrains.kotlin.gradle.targets.js.testing.*
 import org.jetbrains.kotlin.gradle.targets.js.webpack.KotlinWebpackConfig
+import org.jetbrains.kotlin.gradle.tasks.KotlinTest
 import org.jetbrains.kotlin.gradle.testing.internal.reportsDir
 import org.slf4j.Logger
 import java.io.File
 
-class KotlinKarma(override val compilation: KotlinJsCompilation) : KotlinJsTestFramework {
+class KotlinKarma(override val compilation: KotlinJsCompilation) :
+    KotlinJsTestFramework,
+    KotlinJsIrTestFramework {
     private val project: Project = compilation.target.project
     private val nodeJs = NodeJsRootPlugin.apply(project.rootProject)
     private val versions = nodeJs.versions
@@ -37,7 +44,7 @@ class KotlinKarma(override val compilation: KotlinJsCompilation) : KotlinJsTestF
     private val config: KarmaConfig = KarmaConfig()
     private val requiredDependencies = mutableSetOf<RequiredKotlinJsDependency>()
 
-    private val configurators = mutableListOf<(KotlinJsTest) -> Unit>()
+    private val configurators = mutableListOf<(KotlinTest) -> Unit>()
     private val envJsCollector = mutableMapOf<String, String>()
     private val confJsWriters = mutableListOf<(Appendable) -> Unit>()
     private var sourceMaps = false
@@ -269,12 +276,41 @@ class KotlinKarma(override val compilation: KotlinJsCompilation) : KotlinJsTestF
         return adapterJs
     }
 
+    override fun createTestExecutionSpec(
+        task: KotlinJsIrTest,
+        forkOptions: ProcessForkOptions,
+        nodeJsArgs: MutableList<String>,
+        debug: Boolean
+    ): TCServiceMessagesTestExecutionSpec =
+        createTestExecutionSpecPrivate(
+            task = task,
+            forkOptions = forkOptions,
+            nodeJsArgs = nodeJsArgs,
+            debug = debug
+        )
+
     override fun createTestExecutionSpec(
         task: KotlinJsTest,
         forkOptions: ProcessForkOptions,
         nodeJsArgs: MutableList<String>,
         debug: Boolean
-    ): TCServiceMessagesTestExecutionSpec {
+    ): TCServiceMessagesTestExecutionSpec =
+        createTestExecutionSpecPrivate(
+            task = task,
+            forkOptions = forkOptions,
+            nodeJsArgs = nodeJsArgs,
+            debug = debug
+        )
+
+    private fun <T> createTestExecutionSpecPrivate(
+        task: T,
+        forkOptions: ProcessForkOptions,
+        nodeJsArgs: MutableList<String>,
+        debug: Boolean
+    ): TCServiceMessagesTestExecutionSpec
+            where T : KotlinTest,
+                  T : RequiresNpmDependencies,
+                  T : LoadNpmModules {
         val npmProject = compilation.npmProject
 
         val file = task.nodeModulesToLoad
diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/mocha/KotlinMocha.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/mocha/KotlinMocha.kt
index 1a51998b9b1..306c2def456 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/mocha/KotlinMocha.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/mocha/KotlinMocha.kt
@@ -14,15 +14,22 @@ import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinJsCompilation
 import org.jetbrains.kotlin.gradle.targets.js.KotlinGradleNpmPackage
 import org.jetbrains.kotlin.gradle.targets.js.RequiredKotlinJsDependency
 import org.jetbrains.kotlin.gradle.targets.js.internal.parseNodeJsStackTraceAsJvm
+import org.jetbrains.kotlin.gradle.targets.js.ir.KotlinJsIrTest
+import org.jetbrains.kotlin.gradle.targets.js.ir.KotlinJsIrTestFramework
 import org.jetbrains.kotlin.gradle.targets.js.jsQuoted
 import org.jetbrains.kotlin.gradle.targets.js.nodejs.NodeJsRootPlugin
+import org.jetbrains.kotlin.gradle.targets.js.npm.LoadNpmModules
+import org.jetbrains.kotlin.gradle.targets.js.npm.RequiresNpmDependencies
 import org.jetbrains.kotlin.gradle.targets.js.npm.npmProject
 import org.jetbrains.kotlin.gradle.targets.js.testing.KotlinJsTest
 import org.jetbrains.kotlin.gradle.targets.js.testing.KotlinJsTestFramework
 import org.jetbrains.kotlin.gradle.targets.js.testing.KotlinTestRunnerCliArgs
+import org.jetbrains.kotlin.gradle.tasks.KotlinTest
 import java.io.File
 
-class KotlinMocha(override val compilation: KotlinJsCompilation) : KotlinJsTestFramework {
+class KotlinMocha(override val compilation: KotlinJsCompilation) :
+    KotlinJsTestFramework,
+    KotlinJsIrTestFramework {
     private val project: Project = compilation.target.project
     private val nodeJs = NodeJsRootPlugin.apply(project.rootProject)
     private val versions = nodeJs.versions
@@ -40,12 +47,38 @@ class KotlinMocha(override val compilation: KotlinJsCompilation) : KotlinJsTestF
     // https://mochajs.org/#-timeout-ms-t-ms
     var timeout: String = DEFAULT_TIMEOUT
 
+    override fun createTestExecutionSpec(
+        task: KotlinJsIrTest,
+        forkOptions: ProcessForkOptions,
+        nodeJsArgs: MutableList<String>,
+        debug: Boolean
+    ): TCServiceMessagesTestExecutionSpec =
+        createTestExecutionSpecPrivate<KotlinJsIrTest>(
+            task, forkOptions, nodeJsArgs, debug
+        )
+
     override fun createTestExecutionSpec(
         task: KotlinJsTest,
         forkOptions: ProcessForkOptions,
         nodeJsArgs: MutableList<String>,
         debug: Boolean
-    ): TCServiceMessagesTestExecutionSpec {
+    ): TCServiceMessagesTestExecutionSpec =
+        createTestExecutionSpecPrivate(
+            task = task,
+            forkOptions = forkOptions,
+            nodeJsArgs = nodeJsArgs,
+            debug = debug
+        )
+
+    private fun <T> createTestExecutionSpecPrivate(
+        task: T,
+        forkOptions: ProcessForkOptions,
+        nodeJsArgs: MutableList<String>,
+        debug: Boolean
+    ): TCServiceMessagesTestExecutionSpec
+            where T : KotlinTest,
+                  T : RequiresNpmDependencies,
+                  T : LoadNpmModules {
         val clientSettings = TCServiceMessagesClientSettings(
             task.name,
             testNameSuffix = task.targetName,
@@ -62,6 +95,7 @@ class KotlinMocha(override val compilation: KotlinJsCompilation) : KotlinJsTestF
             exclude = task.excludePatterns
         )
 
+
         val mocha = npmProject.require("mocha/bin/mocha")
 
         val file = task.nodeModulesToLoad