Fixed naming inconsitencies for verifing page headers in tests

heroes/tests.py

@@ -34,21 +34,21 @@ class CheckContents(unittest.TestCase):
         self.browser.get('http://localhost:8000/hero/cloud')
         cloudTitle = self.browser.find_element_by_id('cloudTitle')
         self.assertEqual(cloudTitle.get_attribute('innerHTML'), 'Detail - Cloud')
-        cloudHeading = self.browser.find_element_b_id('cloudHeader')
+        cloudHeader = self.browser.find_element_b_id('cloudHeader')
         self.assertEqual(cloudHeader.get_attribute('innerHTML'), 'Detail - Cloud')
 
     def check_jester_page_title_and_heading(self):
         self.browser.get('http://localhost:8000/hero/jester')
         jesterTitle = self.browser.find_element_by_id('jesterTitle')
         self.assertEqual(jesterTitle.get_attribute('innerHTML'), 'Detail - Jester')
-        jesterHeading = self.browser.find_element_b_id('jesterHeader')
+        jesterHeader = self.browser.find_element_b_id('jesterHeader')
         self.assertEqual(jesterHeader.get_attribute('innerHTML'), 'Detail - Jester')
 
     def check_sunflowey_page_title_and_heading(self):
         self.browser.get('http://localhost:8000/hero/sunflowey')
         sunfloweyTitle = self.browser.find_element_by_id('sunfloweyTitle')
         self.assertEqual(sunfloweyTitle.get_attribute('innerHTML'), 'Detail - Sunflowey')
-        sunfloweyHeading = self.browser.find_element_b_id('sunfloweyHeader')
+        sunfloweyHeader = self.browser.find_element_b_id('sunfloweyHeader')
         self.assertEqual(sunfloweyHeader.get_attribute('innerHTML'), 'Detail - Sunflowey')