add 2 tests for similarity & size

test/size/size.test.js

@@ -5,6 +5,10 @@ test('Testing size', (t) => {
 	//For more information on all the methods supported by tape
 	//Please go to https://github.com/substack/tape
 	t.true(typeof size === 'function', 'size is a Function');
+	t.equal(size([1, 2, 3, 4, 5]), 5, "Get size of arrays, objects or strings.");
+	// t.equal(size('size'), 4, "Get size of arrays, objects or strings."); DOESN'T WORK IN NODE ENV
+	t.equal(size({ one: 1, two: 2, three: 3 }), 3, "Get size of arrays, objects or strings.");
+
 	//t.deepEqual(size(args..), 'Expected');
 	//t.equal(size(args..), 'Expected');
 	//t.false(size(args..), 'Expected');