Index: Lib/unittest.py
===================================================================
--- Lib/unittest.py	(revision 74715)
+++ Lib/unittest.py	(working copy)
@@ -591,7 +591,7 @@
         elif (type(obj) == types.UnboundMethodType and
               isinstance(parent, (type, types.ClassType)) and
               issubclass(parent, TestCase)):
-            return TestSuite([parent(obj.__name__)])
+            return self.suiteClass([parent(obj.__name__)])
         elif isinstance(obj, TestSuite):
             return obj
         elif hasattr(obj, '__call__'):
@@ -599,7 +599,7 @@
             if isinstance(test, TestSuite):
                 return test
             elif isinstance(test, TestCase):
-                return TestSuite([test])
+                return self.suiteClass([test])
             else:
                 raise TypeError("calling %s returned %s, not a test" %
                                 (obj, test))
Index: Lib/test/test_unittest.py
===================================================================
--- Lib/test/test_unittest.py	(revision 74715)
+++ Lib/test/test_unittest.py	(working copy)
@@ -490,6 +490,47 @@
         self.assertEqual(list(suite), [testcase_1])
 
     # "The specifier name is a ``dotted name'' that may resolve ... to
+    # ... a callable object which returns a TestCase ... instance"
+    #*****************************************************************
+    #Override the suiteClass attribute to ensure that the suiteClass
+    #attribute is used
+    def test_loadTestsFromName__callable__TestCase_instance_ProperSuiteClass(self):
+        class SubTestSuite(unittest.TestSuite):
+            pass
+        m = types.ModuleType('m')
+        testcase_1 = unittest.FunctionTestCase(lambda: None)
+        def return_TestCase():
+            return testcase_1
+        m.return_TestCase = return_TestCase
+
+        loader = unittest.TestLoader()
+        loader.suiteClass=SubTestSuite
+        suite = loader.loadTestsFromName('return_TestCase', m)
+        self.failUnless(isinstance(suite, loader.suiteClass))
+        self.assertEqual(list(suite), [testcase_1])
+
+    # "The specifier name is a ``dotted name'' that may resolve ... to
+    # ... a test method within a test case class"
+    #*****************************************************************
+    #Override the suiteClass attribute to ensure that the suiteClass
+    #attribute is used
+    def test_loadTestsFromName__relative_testmethod_ProperSuiteClass(self):
+        class SubTestSuite(unittest.TestSuite):
+            pass
+        m = types.ModuleType('m')
+        class MyTestCase(unittest.TestCase):
+            def test(self):
+                pass
+        m.testcase_1 = MyTestCase
+
+        loader = unittest.TestLoader()
+        loader.suiteClass=SubTestSuite
+        suite = loader.loadTestsFromName('testcase_1.test', m)
+        self.failUnless(isinstance(suite, loader.suiteClass))
+
+        self.assertEqual(list(suite), [MyTestCase('test')])
+
+    # "The specifier name is a ``dotted name'' that may resolve ... to
     # ... a callable object which returns a TestCase or TestSuite instance"
     #
     # What happens if the callable returns something else?