relax timestamp comparison from \ge to \geq in test

in parallel.tests.test_lbview.test_after

closes  #749

IPython/parallel/tests/test_lbview.py

@@ -126,4 +126,4 b' class TestLoadBalancedView(ClusterTestCase):'
 
         ar.wait()
         ar2.wait()
-        self.assertTrue(ar2.started > ar.completed)
+        self.assertTrue(ar2.started >= ar.completed, "%s not >= %s"%(ar.started, ar.completed))