diff --git a/libraries/stdlib/common/test/testUtils.kt b/libraries/stdlib/common/test/testUtils.kt
index 10d38a32136..ee11d89a8dc 100644
--- a/libraries/stdlib/common/test/testUtils.kt
+++ b/libraries/stdlib/common/test/testUtils.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * 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.
  */
 
@@ -10,3 +10,6 @@ public expect fun assertTypeEquals(expected: Any?, actual: Any?)
 internal expect fun String.removeLeadingPlusOnJava6(): String
 
 internal expect inline fun testOnNonJvm6And7(f: () -> Unit)
+
+public expect fun testOnJvm(action: () -> Unit)
+public expect fun testOnJs(action: () -> Unit)
\ No newline at end of file
diff --git a/libraries/stdlib/js/test/core/testUtils.kt b/libraries/stdlib/js/test/core/testUtils.kt
index 66b141e6f85..fdbd9bac25d 100644
--- a/libraries/stdlib/js/test/core/testUtils.kt
+++ b/libraries/stdlib/js/test/core/testUtils.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * 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.
  */
 
@@ -17,3 +17,7 @@ internal actual inline fun String.removeLeadingPlusOnJava6(): String = this
 internal actual inline fun testOnNonJvm6And7(f: () -> Unit) {
     f()
 }
+
+
+public actual fun testOnJvm(action: () -> Unit) { }
+public actual fun testOnJs(action: () -> Unit) = action()
\ No newline at end of file
diff --git a/libraries/stdlib/jvm/test/testUtilsJVM.kt b/libraries/stdlib/jvm/test/testUtilsJVM.kt
index 2246955adbf..3d65aa70485 100644
--- a/libraries/stdlib/jvm/test/testUtilsJVM.kt
+++ b/libraries/stdlib/jvm/test/testUtilsJVM.kt
@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2018 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * 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.
  */
 
@@ -24,4 +24,6 @@ internal actual inline fun testOnNonJvm6And7(f: () -> Unit) {
     if (isJava8AndAbove) {
         f()
     }
-}
\ No newline at end of file
+}
+public actual fun testOnJvm(action: () -> Unit) = action()
+public actual fun testOnJs(action: () -> Unit) {}
\ No newline at end of file