Update JS tests

js/js.translator/testData/box/native/vararg.kt

@@ -126,7 +126,7 @@ fun box(): String {
         return "failed when test calling order when using spread operator with some args"
 
     val baz: Bar? = Bar(1)
-    if (!(baz!!)?.test(0, 1, 1))
+    if (!(baz!!)?.test(0, 1, 1)!!)
         return "failed when combined SureCall and SafeCall, maybe we lost cached expression"
 
     val a = arrayOf(1, 2)

js/js.translator/testData/box/reflection/kTypeWithJsCall.kt

@@ -27,7 +27,7 @@ fun toJsClass(kType: KType) = (kType.classifier as KClass<*>)?.js
 
 @ExperimentalStdlibApi
 fun box(): String {
-    return test(toJsClass(typeOf<B>())).test()
+    return test(toJsClass(typeOf<B>())!!).test()
 }
 
 // FILE: test.js