message: fix: fix valid since test
diff: @@ -91,14 +91,10 @@ impl ValidSince {
  pub fn test_since_relative_median_time(&self, node: &Node) {
  let median_time_block_count = node.consensus().median_time_block_count() as u64;
  node.generate_blocks((DEFAULT_TX_PROPOSAL_WINDOW.1 + 2) as usize);
  - let cellbase = node.get_tip_block().transactions()[0].clone();
  let old_median_time: u64 = node.rpc_client().get_blockchain_info().median_time.into();
  - let t1 = faketime::unix_time_as_millis();
  + node.generate_block();
  + let cellbase = node.get_tip_block().transactions()[0].clone();
  sleep(Duration::from_secs(2));
  - let t2 = faketime::unix_time_as_millis();
  - let debug_median_time: u64 = node.rpc_client().get_blockchain_info().median_time.into();
  - info!("old median time: {} t1: {} t2: {}", old_median_time, t1, t2);
  - info!("old debug median time is {}", debug_median_time);
  node.generate_blocks(median_time_block_count as usize);
  @@ -117,10 +113,6 @@ impl ValidSince {
  .collect();
  timestamps.sort();
  let median_time = timestamps[timestamps.len() >> 1];
  - let debug_median_time: u64 = node.rpc_client().get_blockchain_info().median_time.into();
  - info!("new blocks timestamps {:?}", timestamps);
  - info!("median_time {}", median_time);
  - info!("debug median time {}", debug_median_time);
  // Absolute since timestamp in seconds
  let median_time_seconds = (median_time - old_median_time) / 1000;
  