Get rid of jvm specific code in some tests

compiler/testData/codegen/box/casts/functions/asFunKSmall.kt

@@ -1,4 +1,6 @@
-// TARGET_BACKEND: JVM
+// IGNORE_BACKEND: JS_IR
+// TODO: muted automatically, investigate should it be ran for JS or not
+// IGNORE_BACKEND: JS, NATIVE
 
 fun fn0() {}
 fun fn1(x: Any) {}
@@ -7,7 +9,7 @@ inline fun asFailsWithCCE(operation: String, block: () -> Unit) {
     try {
         block()
     }
-    catch (e: java.lang.ClassCastException) {
+    catch (e: ClassCastException) {
         return
     }
     catch (e: Throwable) {