1 test to check output of sayHi

index.js

@@ -0,0 +1,5 @@
+'use strict';
+
+const greet = require('./lib/greet.js')
+
+greet.sayHi();

lib/greet.js

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+'use strict';
+
+module.exports;
+
+exports.sayHi = function(name){
+  if(arguments.length === 0) throw new Error('no name given')
+  return `Hi ${name}.`;
+};

test/greet-test.js

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+'use strics';
+
+const greet = require('../lib/greet.js');
+const assert = require('assert');
+
+describe('Greet Module', function(){
+  describe('#sayHi', function(){
+    it('should return Hi noah.', function(){
+      var result = greet.sayHi('noah');
+      assert.ok(result ==='Hi noah.', 'result is not Hi noah.')
+    })
+  })
+})