added basic unit tests for proper template checks

tests.py

+from django.test import TestCase
+
+
+class HomePageTest(TestCase):
+
+	def test_uses_homepage_template(self):
+		response = self.client.get('/heroes')
+		self.assertTemplateUsed(response, 'index.html')
+
+
+class DetailPageTest(TestCase):
+	hero_names = ['cloud', 'jester', 'sunflowey']
+
+	def test_uses_specific_detail_template(self):
+		for name in DetailPageTest.hero_names:
+			response = self.client.get('/hero/' + name)
+			self.assertTemplateUsed(response, 'detail_' + name + '.html')
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