[1.7.x] Fixed style issues in testing docs

Backport of f33607c from master

docs/topics/testing/tools.txt

@@ -985,7 +985,7 @@ For example::
     class TestMyViews(TestCase):
         urls = 'myapp.test_urls'
 
-        def testIndexPageView(self):
+        def test_index_page_view(self):
             # Here you'd test your view using ``Client``.
             call_some_test_code()
 
@@ -1019,11 +1019,11 @@ For example::
     class TestMyViews(TestCase):
         multi_db = True
 
-        def testIndexPageView(self):
+        def test_index_page_view(self):
             call_some_test_code()
 
 This test case will flush *all* the test databases before running
-``testIndexPageView``.
+``test_index_page_view``.
 
 The ``multi_db`` flag also affects into which databases the
 attr:`TransactionTestCase.fixtures` are loaded. By default (when
@@ -1406,13 +1406,16 @@ your test suite.
     The following examples are valid tests and don't raise any
     ``AssertionError``::
 
-        self.assertHTMLEqual('<p>Hello <b>world!</p>',
+        self.assertHTMLEqual(
+            '<p>Hello <b>world!</p>',
             '''<p>
                 Hello   <b>world! <b/>
-            </p>''')
+            </p>'''
+        )
         self.assertHTMLEqual(
             '<input type="checkbox" checked="checked" id="id_accept_terms" />',
-            '<input id="id_accept_terms" type='checkbox' checked>')
+            '<input id="id_accept_terms" type="checkbox" checked>'
+        )
 
     ``html1`` and ``html2`` must be valid HTML. An ``AssertionError`` will be
     raised if one of them cannot be parsed.
@@ -1629,6 +1632,7 @@ it would under MySQL with MyISAM tables)::
         @skipIfDBFeature('supports_transactions')
         def test_transaction_behavior(self):
             # ... conditional test code
+            pass
 
 .. versionchanged:: 1.7
 
@@ -1647,6 +1651,7 @@ under MySQL with MyISAM tables)::
         @skipUnlessDBFeature('supports_transactions')
         def test_transaction_behavior(self):
             # ... conditional test code
+            pass
 
 .. versionchanged:: 1.7