message: reduced number of steps in dataman test to adjust to the 300 second limit on CI
diff: @@ -125,7 +125,6 @@ void DataManReader(Dims shape, Dims start, Dims count, size_t steps,
  adios2::Mode::Sync);
  i = dataManReader.CurrentStep();
  dataManReader.EndStep();
  - PrintData(myFloats, dataManReader.CurrentStep());
  }
  else if (status == adios2::StepStatus::NotReady)
  {
  @@ -143,11 +142,10 @@ TEST_F(DataManTest, WriteRead1DSubscribe)
  Dims shape = {10};
  Dims start = {0};
  Dims count = {10};
  - size_t steps = 1000;
  + size_t steps = 200;
  std::string mode = "subscribe";
  auto r = std::async(std::launch::async, DataManReader, shape, start, count,
  steps, mode);
  - std::this_thread::sleep_for(std::chrono::milliseconds(1000));
  DataManWriter(shape, start, count, steps, mode);
  }
  