JS backend: testFiles -> testData

js/js.translator/testData/multiFile/cases/classesInheritedFromOtherFile/a.kt

@@ -0,0 +1,9 @@
+package foo
+
+open class A() {
+    open fun f() = 3;
+}
+
+open class C() : B() {
+    override fun f() = 5
+}

js/js.translator/testData/multiFile/cases/classesInheritedFromOtherFile/b.kt

@@ -0,0 +1,7 @@
+package foo
+
+open class B() : A() {
+    override fun f() = 4
+}
+
+fun box() = (A().f() == 3) && (B().f() == 4) && (C().f() == 5)