[Wasm] Run unit tests for the wasm stdlib (fail on verifier for now)

libraries/stdlib/wasm/test/stringEncoding.kt

@@ -0,0 +1,11 @@
+/*
+ * Copyright 2010-2021 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 test.text
+
+// TODO: Fix this once we implement kotlin.text
+internal actual val surrogateCodePointDecoding: String = "�"
+
+internal actual val surrogateCharEncoding: ByteArray = byteArrayOf(0x3F)