JS: move more test to box tests

js/js.translator/testData/box/propertyOverride/simpleOverride.kt

@@ -0,0 +1,33 @@
+package foo
+
+open class A {
+    open var a = 1
+    fun getAInA(): Int = a
+}
+
+class B : A() {
+    override var a = 2
+
+    fun getSuperA(): Int {
+        return super.a
+    }
+
+    fun setSuperA(value: Int) {
+        super.a = value
+    }
+}
+
+fun box(): String {
+    val a = A()
+    val b = B()
+    if (a.getAInA() != 1) return "a.getAInA() != 1, it: ${a.getAInA()}"
+    if (b.getAInA() != 2) return "b.getAInA() != 2, it: ${b.getAInA()}"
+
+    if (b.getSuperA() != 1) return "b.getSuperA() != 1, it: ${b.getSuperA()}"
+    b.setSuperA(3)
+    if (b.getSuperA() != 3) return "b.getSuperA() != 3, it: ${b.getSuperA()}"
+
+    if (b.getAInA() != 2) return "b.getAInA() != 2 after b.setAInB(3), it: ${b.getAInA()}"
+
+    return "OK"
+}