JS backend: testFiles -> testData

js/js.translator/testData/extensionFunction/cases/extensionFunctionCalledFromExtensionFunction.kt

@@ -0,0 +1,12 @@
+package foo
+
+class A() {
+
+}
+
+fun A.one() = 1
+fun A.two() = one() + one()
+
+fun box(): Boolean {
+    return (A().two() == 2)
+}