message: [consensus] Disable drop_config_test as it is flaky.
  Closes:
  Approved by: tzakian
diff: @@ -261,6 +261,8 @@ fn basic_start_test() {
  /// Run the test:
  /// cargo xtest -p consensus drop_config_test -- --nocapture
  #[test]
  +#[ignore]
  +/// See https://github.com/libra/libra/issues/4899
  fn drop_config_test() {
  let mut runtime = consensus_runtime();
  let mut playground = NetworkPlayground::new(runtime.handle().clone());
  