ran npm run tester -> logged invertKeyValues test are invalid

test/intersectionBy/intersectionBy.js

@@ -0,0 +1,5 @@
+const intersectionBy = (a, b, fn) => {
+const s = new Set(b.map(x => fn(x)));
+return a.filter(x => s.has(fn(x)));
+};
+module.exports = intersectionBy

test/intersectionBy/intersectionBy.test.js

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+const test = require('tape');
+const intersectionBy = require('./intersectionBy.js');
+
+test('Testing intersectionBy', (t) => {
+	//For more information on all the methods supported by tape
+	//Please go to https://github.com/substack/tape
+	t.true(typeof intersectionBy === 'function', 'intersectionBy is a Function');
+	//t.deepEqual(intersectionBy(args..), 'Expected');
+	//t.equal(intersectionBy(args..), 'Expected');
+	//t.false(intersectionBy(args..), 'Expected');
+	//t.throws(intersectionBy(args..), 'Expected');
+	t.end();
+});