JS: move more test to box tests

js/js.translator/testData/box/objectDeclaration/objectDeclarationWithVars.kt

@@ -0,0 +1,12 @@
+package foo
+
+object State {
+    val c = 2
+    val b = 1
+}
+
+fun box(): String {
+    if (State.c != 2) return "fail1: ${State.c}"
+    if (State.b != 1) return "fail2: ${State.b}"
+    return "OK"
+}