Split up test on map access onto two tests: stdlib & compiler box test

libraries/stdlib/test/properties/delegation/MapAccessorsTest.kt

@@ -32,7 +32,6 @@ class ValByMapExtensionsTest {
 
 
 class VarByMapExtensionsTest {
-// IGNORE_BACKEND: NATIVE
     val map = hashMapOf<String, Any?>("a" to "all", "b" to null, "c" to 1, "xProperty" to 1.0)
     val map2: MutableMap<String, CharSequence> = hashMapOf("a2" to "all")
 
@@ -55,49 +54,8 @@ class VarByMapExtensionsTest {
         map2.remove("a2")
         assertEquals("empty", a2)
 
-        map["c"] = "string"
-        // fails { c }  // does not fail in JS due to KT-8135
-
-        map["a"] = null
-        a // fails { a } // does not fail due to KT-8135
-
         assertFailsWith<NoSuchElementException> { d }
         map["d"] = null
         assertEquals(null, d)
     }
-}
-
-class VarByMapExtensionsTest_ForNative {
-    val map = hashMapOf<String, Any?>("a" to "all", "b" to null, "c" to 1, "xProperty" to 1.0)
-    val map2: MutableMap<String, CharSequence> = hashMapOf("a2" to "all")
-
-    var a: String by map
-    var b: Any? by map
-    var c: Int by map
-    var d: String? by map
-    var a2: String by map2.withDefault { "empty" }
-    //var x: Int by map2  // prohibited by type system
-
-    @Test fun doTest() {
-        assertEquals("all", a)
-        assertEquals(null, b)
-        assertEquals(1, c)
-        c = 2
-        assertEquals(2, c)
-        assertEquals(2, map["c"])
-
-        assertEquals("all", a2)
-        map2.remove("a2")
-        assertEquals("empty", a2)
-
-        map["c"] = "string"
-        // fails { c }  // does not fail in JS due to KT-8135
-
-        map["a"] = null
-        //a Fails in Native, KT-8135 is already fixed in Native. // fails { a } // does not fail due to KT-8135
-
-        assertFailsWith<NoSuchElementException> { d }
-        map["d"] = null
-        assertEquals(null, d)
-    }
-}
+}