KT-12877: modify tests to check whether mutable top-level properties of JsModule files are supported

js/js.translator/testData/box/jsModule/externalPackage.js

@@ -23,6 +23,7 @@ define("lib", [], function() {
         A: A,
         B: B,
         foo: foo,
-        bar: bar
+        bar: bar,
+        mbar: -1
     };
 });

js/js.translator/testData/box/jsModule/externalPackage.kt

@@ -16,6 +16,8 @@ package foo
 
 @native val bar: Int = noImpl
 
+@native var mbar: Int = noImpl
+
 fun box(): String {
     val a = A(23)
     assertEquals(23, a.x)
@@ -27,5 +29,8 @@ fun box(): String {
     assertEquals(365, foo(42))
     assertEquals(423, bar)
 
+    mbar = 523
+    assertEquals(523, mbar)
+
     return "OK"
 }

js/js.translator/testData/box/jsModule/externalPackageInDifferentFile.js

@@ -23,7 +23,8 @@ define("lib", [], function() {
         A: A,
         B: B,
         foo: foo,
-        bar: bar
+        bar: bar,
+        mbar: -1
     };
 });
 

js/js.translator/testData/box/jsModule/externalPackageInDifferentFile.kt

@@ -17,6 +17,8 @@ package foo
 
 @native val bar: Int = noImpl
 
+@native var mbar: Int = noImpl
+
 // FILE: lib2.kt
 package foo
 
@@ -40,5 +42,8 @@ fun box(): String {
 
     assertEquals(12345, C.f())
 
+    mbar = 523
+    assertEquals(523, mbar)
+
     return "OK"
 }