[WASM] Implement missing test asserter

libraries/stdlib/wasm/test/testUtils.kt

@@ -6,10 +6,10 @@
 package test
 
 import kotlin.test.*
+import kotlin.reflect.qualifiedOrSimpleName
 
 public actual fun assertTypeEquals(expected: Any?, actual: Any?) {
-    TODO("Implement class references")
-    //assertEquals(expected?.let { it::class.js }, actual?.let { it::class.js })
+    assertEquals(expected?.let { it::class }, actual?.let { it::class })
 }
 
 @Suppress("NOTHING_TO_INLINE")