JS: move expressions test to box tests

js/js.translator/testData/box/expression/function/overloadingWithInheritance.kt

@@ -0,0 +1,21 @@
+package foo
+
+interface A {
+    fun foo(i: Int) = "A"
+}
+
+interface B {
+    fun foo(s: String) = "B"
+}
+
+class C : A, B {
+    fun foo() = "C"
+}
+
+fun box(): String {
+    assertEquals("A", C().foo(1))
+    assertEquals("B", C().foo(""))
+    assertEquals("C", C().foo())
+
+    return "OK"
+}