Add tests for newly discovered issue with ECMA5 and top level vars in root scope.

js/js.tests/test/org/jetbrains/k2js/test/semantics/MiscTest.java

@@ -152,6 +152,16 @@ public final class MiscTest extends AbstractExpressionTest {
         fooBoxTest();
     }
 
+    public void testNamespaceLevelVarInPackage() throws Exception {
+        fooBoxIsValue("OK");
+    }
+
+    //TODO: see http://youtrack.jetbrains.com/issue/KT-2564
+    @SuppressWarnings("UnusedDeclaration")
+    public void TODO_testNamespaceLevelVarInRoot() throws Exception {
+        runFunctionOutputTest("namespaceLevelVarInRoot.kt", Namer.getRootNamespaceName(), "box", "OK");
+    }
+
     public void testLazyPropertyGetterNotCalledOnStart() throws Exception {
         checkOutput("lazyProperty.kt", "Hello, world! Gotcha 3");
     }

js/js.translator/testFiles/expression/misc/cases/namespaceLevelVarInPackage.kt

@@ -0,0 +1,14 @@
+package foo
+
+var c = 2
+
+fun incC(i: Int) {
+    c += c + i
+}
+
+fun box() : Any? {
+    for (i in 0..2) {
+        incC(i)
+    }
+    return if (c == 20) "OK" else c
+}

js/js.translator/testFiles/expression/misc/cases/namespaceLevelVarInRoot.kt

@@ -0,0 +1,12 @@
+var c = 2
+
+fun incC(i: Int) {
+    c += c + i
+}
+
+fun box() : Any? {
+    for (i in 0..2) {
+        incC(i)
+    }
+    return if (c == 20) "OK" else c
+}