add @lukeapage #149 test case

test/function/consistent-renaming-f/_config.js

@@ -0,0 +1,3 @@
+module.exports = {
+	description: 'consistent renaming test f'
+};

test/function/consistent-renaming-f/bar.js

@@ -0,0 +1,3 @@
+export default function foo() {
+	return 'consistent';
+}

test/function/consistent-renaming-f/main.js

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+import bar from './bar';
+
+export default function foo () {}
+
+foo.prototype.a = function ( foo ) {
+	return bar();
+};
+
+assert.equal( new foo().a(), 'consistent' );