ENH(TST): relax test of sleep to "1" places from "2"

The reason is that internally it does round, so even 1.005 then would not
be equal to 1.  Making it spaces==1 should be sufficient for up to 1.05
i.e. we would allow 50ms "drift"

testcases/servertestcase.py

@@ -160,7 +160,7 @@ class Transmitter(TransmitterBase):
 		self.assertEqual(self.transm.proceed(["sleep", "1"]), (0, None))
 		t1 = time.time()
 		# Approx 1 second delay
-		self.assertAlmostEqual(t1 - t0, 1, places=2)
+		self.assertAlmostEqual(t1 - t0, 1, places=1)
 
 	def testAddJail(self):
 		jail2 = "TestJail2"