Make functional test runnable by fixing bugs in file

lab1_functional_test.py

@@ -11,7 +11,7 @@ class NewVisitorTest(unittest.TestCase):
 	def test_can_display_a_heroes_list_and_more_information_per_hero(self):
 		# Widget has heard about a new wiki app for the game called The Will of the Wisps. 
 		# She goes to check out its homepage
-		browser.get('http://localhost:8000/heroes')
+		self.browser.get('http://localhost:8000/heroes')
 
 		# She notices the page title and header mention 
 		# 'The Will of the Wisps Wiki'
@@ -29,3 +29,5 @@ class NewVisitorTest(unittest.TestCase):
 		# She clicks this and she is redirected back to the wiki's homepage.	
 		
 		self.fail('Finish the test!')
+
+unittest.main()