tests/ordering: removed dead code and fixed QF

Since we're now using maps in QF, we can no longer simply return index 0

tests/ordering/order_test.go

@@ -2,8 +2,6 @@ package ordering
 
 import (
  "context"
- "fmt"
- "net"
  "sync"
  "testing"
  "time"
@@ -13,25 +11,6 @@ import (
  "google.golang.org/grpc"
 )
 
-type portSupplier struct {
- p int
- sync.Mutex
-}
-
-func (p *portSupplier) get() int {
- p.Lock()
- newPort := p.p
- p.p++
- p.Unlock()
- return newPort
-}
-
-var supplier = portSupplier{p: 22332}
-
-func getListener() (net.Listener, error) {
- return net.Listen("tcp", fmt.Sprintf(":%d", supplier.get()))
-}
-
 type testSrv struct {
  sync.Mutex
  lastNum uint64
@@ -78,7 +57,11 @@ func (q testQSpec) qf(replies map[uint32]*Response) (*Response, bool) {
  return reply, true
  }
  }
- return replies[0], true
+ var reply *Response
+ for _, r := range replies {
+ reply = r
+ }
+ return reply, true
 }
 
 func (q testQSpec) QCQF(_ *Request, replies map[uint32]*Response) (*Response, bool) {