kotlin-test: binary compatibility for fail function

libraries/kotlin.test/junit/src/test/kotlin/JUnitContributorTest.kt

@@ -23,5 +23,5 @@ class JUnitContributorTest {
 
     @Suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN")
     private val asserter: java.lang.Object
-        get() = Class.forName("kotlin.test.TestAssertionsKt").getMethod("getAsserter").invoke(null) as java.lang.Object
+        get() = Class.forName("kotlin.test.AssertionsKt").getMethod("getAsserter").invoke(null) as java.lang.Object
 }

libraries/kotlin.test/shared/src/main/kotlin.jvm/kotlin/test/TestAssertionsJVM.kt

@@ -1,5 +1,5 @@
 @file:kotlin.jvm.JvmMultifileClass
-@file:kotlin.jvm.JvmName("TestAssertionsKt")
+@file:kotlin.jvm.JvmName("AssertionsKt")
 package kotlin.test
 
 import kotlin.reflect.*

libraries/kotlin.test/shared/src/main/kotlin/kotlin/test/TestAssertions.kt

@@ -1,5 +1,5 @@
 @file:kotlin.jvm.JvmMultifileClass
-@file:kotlin.jvm.JvmName("TestAssertionsKt")
+@file:kotlin.jvm.JvmName("AssertionsKt")
 
 /**
  * A number of helper methods for writing unit tests.

libraries/stdlib/src/kotlin/TestAssertionsJVM.kt

@@ -0,0 +1,8 @@
+@file:kotlin.jvm.JvmMultifileClass
+@file:kotlin.jvm.JvmName("TestAssertionsKt")
+package kotlin.test
+
+@Deprecated("For binary compatibility here.", level = DeprecationLevel.HIDDEN)
+fun fail(message: String? = null) {
+    throw AssertionError(message ?: "")
+}