diff --git a/Lib/test/test_math.py b/Lib/test/test_math.py
index 2321a097871..814b6afbd33 100644
--- a/Lib/test/test_math.py
+++ b/Lib/test/test_math.py
@@ -211,31 +211,37 @@ class TestNoCeil:
 
     if float.__getformat__("double").startswith("IEEE"):
         def testCopysign(self):
+            self.assertEqual(math.copysign(1, 42), 1.0)
+            self.assertEqual(math.copysign(0., 42), 0.0)
+            self.assertEqual(math.copysign(1., -42), -1.0)
+            self.assertEqual(math.copysign(3, 0.), 3.0)
+            self.assertEqual(math.copysign(4., -0.), -4.0)
+
             self.assertRaises(TypeError, math.copysign)
             # copysign should let us distinguish signs of zeros
-            self.assertEquals(copysign(1., 0.), 1.)
-            self.assertEquals(copysign(1., -0.), -1.)
-            self.assertEquals(copysign(INF, 0.), INF)
-            self.assertEquals(copysign(INF, -0.), NINF)
-            self.assertEquals(copysign(NINF, 0.), INF)
-            self.assertEquals(copysign(NINF, -0.), NINF)
+            self.assertEquals(math.copysign(1., 0.), 1.)
+            self.assertEquals(math.copysign(1., -0.), -1.)
+            self.assertEquals(math.copysign(INF, 0.), INF)
+            self.assertEquals(math.copysign(INF, -0.), NINF)
+            self.assertEquals(math.copysign(NINF, 0.), INF)
+            self.assertEquals(math.copysign(NINF, -0.), NINF)
             # and of infinities
-            self.assertEquals(copysign(1., INF), 1.)
-            self.assertEquals(copysign(1., NINF), -1.)
-            self.assertEquals(copysign(INF, INF), INF)
-            self.assertEquals(copysign(INF, NINF), NINF)
-            self.assertEquals(copysign(NINF, INF), INF)
-            self.assertEquals(copysign(NINF, NINF), NINF)
-            self.assertTrue(math.isnan(copysign(NAN, 1.)))
-            self.assertTrue(math.isnan(copysign(NAN, INF)))
-            self.assertTrue(math.isnan(copysign(NAN, NINF)))
-            self.assertTrue(math.isnan(copysign(NAN, NAN)))
+            self.assertEquals(math.copysign(1., INF), 1.)
+            self.assertEquals(math.copysign(1., NINF), -1.)
+            self.assertEquals(math.copysign(INF, INF), INF)
+            self.assertEquals(math.copysign(INF, NINF), NINF)
+            self.assertEquals(math.copysign(NINF, INF), INF)
+            self.assertEquals(math.copysign(NINF, NINF), NINF)
+            self.assertTrue(math.isnan(math.copysign(NAN, 1.)))
+            self.assertTrue(math.isnan(math.copysign(NAN, INF)))
+            self.assertTrue(math.isnan(math.copysign(NAN, NINF)))
+            self.assertTrue(math.isnan(math.copysign(NAN, NAN)))
             # copysign(INF, NAN) may be INF or it may be NINF, since
             # we don't know whether the sign bit of NAN is set on any
             # given platform.
-            self.assertTrue(math.isinf(copysign(INF, NAN)))
+            self.assertTrue(math.isinf(math.copysign(INF, NAN)))
             # similarly, copysign(2., NAN) could be 2. or -2.
-            self.assertEquals(abs(copysign(2., NAN)), 2.)
+            self.assertEquals(abs(math.copysign(2., NAN)), 2.)
 
     def testCos(self):
         self.assertRaises(TypeError, math.cos)
@@ -796,13 +802,6 @@ class TestNoTrunc(object):
         #self.assertEquals((), math.trunc(t))
         #self.assertRaises(TypeError, math.trunc, t, 0)
 
-    def testCopysign(self):
-        self.assertEqual(math.copysign(1, 42), 1.0)
-        self.assertEqual(math.copysign(0., 42), 0.0)
-        self.assertEqual(math.copysign(1., -42), -1.0)
-        self.assertEqual(math.copysign(3, 0.), 3.0)
-        self.assertEqual(math.copysign(4., -0.), -4.0)
-
     def testIsnan(self):
         self.assertTrue(math.isnan(float("nan")))
         self.assertTrue(math.isnan(float("inf")* 0.))