update sdbm example and add 2 tests for sdbm and select

snippets/sdbm.md

@@ -16,5 +16,5 @@ const sdbm = str => {
 ```
 
 ```js
-console.log(sdbm('name')); // -3521204949
+sdbm('name'); // -3521204949
 ```

test/sdbm/sdbm.test.js

@@ -5,6 +5,7 @@ test('Testing sdbm', (t) => {
 	//For more information on all the methods supported by tape
 	//Please go to https://github.com/substack/tape
 	t.true(typeof sdbm === 'function', 'sdbm is a Function');
+	t.equal(sdbm('name'), -3521204949, "Hashes the input string into a whole number.");
 	//t.deepEqual(sdbm(args..), 'Expected');
 	//t.equal(sdbm(args..), 'Expected');
 	//t.false(sdbm(args..), 'Expected');

test/select/select.test.js

@@ -5,6 +5,8 @@ test('Testing select', (t) => {
 	//For more information on all the methods supported by tape
 	//Please go to https://github.com/substack/tape
 	t.true(typeof select === 'function', 'select is a Function');
+	const obj = { selector: { to: { val: 'val to select' } } };
+	t.equal(select(obj, 'selector.to.val'), 'val to select', "Retrieve a property indicated by the selector from an object.");
 	//t.deepEqual(select(args..), 'Expected');
 	//t.equal(select(args..), 'Expected');
 	//t.false(select(args..), 'Expected');