JS: move expressions test to box tests

js/js.translator/testData/box/expression/cast/castToAny.kt

@@ -0,0 +1,20 @@
+package foo
+
+class A
+
+fun box(): String {
+    val nil: A? = null
+    val a = A()
+
+    success("10 as Any") { assertEquals<Any>(10, 10 as Any) }
+    success("\"abc\" as Any") { assertEquals<Any>("abc", "abc" as Any) }
+    success("\"abc\" as Any") { assertEquals<Any>(true, true as Any) }
+    val array = arrayOf(1, 2)
+    success("arrayOf(1, 2) as Any") { assertEquals<Any>(array, array as Any) }
+    success("{ 0 } as Any") { { 0 } as Any }
+    success("a as Any") { assertEquals<Any>(a, a as Any) }
+    success("object{} as Any") { object{} as Any }
+    failsClassCast("nil as Any") { nil as Any }
+
+    return "OK"
+}