JS: move more test to box tests

js/js.translator/testData/box/multiModule/useElementsFromDefaultPackageInAnotherModule.kt

@@ -0,0 +1,17 @@
+// MODULE: main(module1)
+// FILE: main.kt
+
+fun box(): String {
+
+    assertEquals("A: invoked from module", f("A"))
+    assertEquals(10, A(10).x)
+
+    return "OK"
+}
+
+// MODULE: module1
+// FILE: module1.kt
+
+public fun f(s: String): String = "${s}: invoked from module"
+
+public class A(val x: Int)