Improved tests

lib/utils/timeout_test.go

@@ -71,9 +71,7 @@ func (s *TimeoutSuite) TestSlowOperation(c *check.C) {
 func (s *TimeoutSuite) TestNormalOperation(c *check.C) {
 	client := newClient(time.Millisecond * 5)
 	resp, err := client.Get(s.server.URL + "/ping")
-	if err != nil {
-		panic(err)
-	}
+	c.Assert(err, check.IsNil)
 	c.Assert(bodyText(resp), check.Equals, "pong")
 }