ran npm run tester -> logged invertKeyValues test are invalid

test/sortedLastIndex/sortedLastIndex.js

@@ -0,0 +1,9 @@
+const sortedLastIndex = (arr, n) => {
+const isDescending = arr[0] > arr[arr.length - 1];
+const index = arr
+.map((val, i) => [i, val])
+.filter(el => (isDescending ? n >= el[1] : n >= el[1]))
+.slice(-1)[0][0];
+return index === -1 ? arr.length : index;
+};
+module.exports = sortedLastIndex

test/sortedLastIndex/sortedLastIndex.test.js

@@ -0,0 +1,13 @@
+const test = require('tape');
+const sortedLastIndex = require('./sortedLastIndex.js');
+
+test('Testing sortedLastIndex', (t) => {
+	//For more information on all the methods supported by tape
+	//Please go to https://github.com/substack/tape
+	t.true(typeof sortedLastIndex === 'function', 'sortedLastIndex is a Function');
+	//t.deepEqual(sortedLastIndex(args..), 'Expected');
+	//t.equal(sortedLastIndex(args..), 'Expected');
+	//t.false(sortedLastIndex(args..), 'Expected');
+	//t.throws(sortedLastIndex(args..), 'Expected');
+	t.end();
+});