diff --git a/Lib/test/test_abc.py b/Lib/test/test_abc.py
index 51fd9bb..f43123f 100644
--- a/Lib/test/test_abc.py
+++ b/Lib/test/test_abc.py
@@ -15,16 +15,16 @@
     def test_abstractmethod_basics(self):
         @abc.abstractmethod
         def foo(self): pass
-        self.assertEqual(foo.__isabstractmethod__, True)
+        self.assertTrue(foo.__isabstractmethod__)
         def bar(self): pass
-        self.assertEqual(hasattr(bar, "__isabstractmethod__"), False)
+        self.assertFalse(hasattr(bar, "__isabstractmethod__"))
 
     def test_abstractproperty_basics(self):
         @abc.abstractproperty
         def foo(self): pass
-        self.assertEqual(foo.__isabstractmethod__, True)
+        self.assertTrue(foo.__isabstractmethod__)
         def bar(self): pass
-        self.assertEqual(hasattr(bar, "__isabstractmethod__"), False)
+        self.assertFalse(hasattr(bar, "__isabstractmethod__"))
 
         class C(metaclass=abc.ABCMeta):
             @abc.abstractproperty
@@ -60,34 +60,26 @@
             self.assertRaises(TypeError, F)  # because bar is abstract now
             self.assertTrue(isabstract(F))
 
-    def test_subclass_oldstyle_class(self):
-        class A:
-            __metaclass__ = abc.ABCMeta
-        class OldstyleClass:
-            pass
-        self.assertFalse(issubclass(OldstyleClass, A))
-        self.assertFalse(issubclass(A, OldstyleClass))
-
     def test_registration_basics(self):
         class A(metaclass=abc.ABCMeta):
             pass
         class B(object):
             pass
         b = B()
-        self.assertEqual(issubclass(B, A), False)
-        self.assertEqual(issubclass(B, (A,)), False)
+        self.assertFalse(issubclass(B, A))
+        self.assertFalse(issubclass(B, (A,)))
         self.assertEqual(isinstance(b, A), False)
         self.assertEqual(isinstance(b, (A,)), False)
         A.register(B)
-        self.assertEqual(issubclass(B, A), True)
-        self.assertEqual(issubclass(B, (A,)), True)
+        self.assertTrue(issubclass(B, A))
+        self.assertTrue(issubclass(B, (A,)))
         self.assertEqual(isinstance(b, A), True)
         self.assertEqual(isinstance(b, (A,)), True)
         class C(B):
             pass
         c = C()
-        self.assertEqual(issubclass(C, A), True)
-        self.assertEqual(issubclass(C, (A,)), True)
+        self.assertTrue(issubclass(C, A))
+        self.assertTrue(issubclass(C, (A,)))
         self.assertEqual(isinstance(c, A), True)
         self.assertEqual(isinstance(c, (A,)), True)
 
@@ -97,11 +89,11 @@
         class B:
             pass
         b = B()
-        self.assertEqual(isinstance(b, A), False)
-        self.assertEqual(isinstance(b, (A,)), False)
+        self.assertFalse(isinstance(b, A))
+        self.assertFalse(isinstance(b, (A,)))
         A.register(B)
-        self.assertEqual(isinstance(b, A), True)
-        self.assertEqual(isinstance(b, (A,)), True)
+        self.assertTrue(isinstance(b, A))
+        self.assertTrue(isinstance(b, (A,)))
 
     def test_registration_builtins(self):
         class A(metaclass=abc.ABCMeta):
@@ -109,18 +101,18 @@
         A.register(int)
         self.assertEqual(isinstance(42, A), True)
         self.assertEqual(isinstance(42, (A,)), True)
-        self.assertEqual(issubclass(int, A), True)
-        self.assertEqual(issubclass(int, (A,)), True)
+        self.assertTrue(issubclass(int, A))
+        self.assertTrue(issubclass(int, (A,)))
         class B(A):
             pass
         B.register(str)
         class C(str): pass
         self.assertEqual(isinstance("", A), True)
         self.assertEqual(isinstance("", (A,)), True)
-        self.assertEqual(issubclass(str, A), True)
-        self.assertEqual(issubclass(str, (A,)), True)
-        self.assertEqual(issubclass(C, A), True)
-        self.assertEqual(issubclass(C, (A,)), True)
+        self.assertTrue(issubclass(str, A))
+        self.assertTrue(issubclass(str, (A,)))
+        self.assertTrue(issubclass(C, A))
+        self.assertTrue(issubclass(C, (A,)))
 
     def test_registration_edge_cases(self):
         class A(metaclass=abc.ABCMeta):