mvcc: increase rev for TestHashKVWhenCompacting

mvcc/kvstore_test.go

@@ -522,7 +522,7 @@ func TestHashKVWhenCompacting(t *testing.T) {
 	s := NewStore(b, &lease.FakeLessor{}, nil)
 	defer os.Remove(tmpPath)
 
-	rev := 1000
+	rev := 10000
 	for i := 2; i <= rev; i++ {
 		s.Put([]byte("foo"), []byte(fmt.Sprintf("bar%d", i)), lease.NoLease)
 	}