add test files

js/js.translator/testFiles/multiNamespace/cases/classesInheritedFromOtherNamespace/a.kt

@@ -0,0 +1,13 @@
+package foo
+
+import bar.*
+
+open class A() {
+    open fun f() = 3;
+}
+
+open class C() : B() {
+    override fun f() = 5
+}
+
+fun box() = (A().f() == 3) && (B().f() == 4) && (C().f() == 5)

js/js.translator/testFiles/multiNamespace/cases/classesInheritedFromOtherNamespace/b.kt

@@ -0,0 +1,7 @@
+package bar
+
+import foo.A
+
+open class B() : A() {
+    override fun f() = 4
+}