message: reduced buffer size to fit CI
diff: @@ -271,15 +271,15 @@ public:
  TEST_F(DataManEngineTest, 1DSuperLarge)
  {
  // set parameters
  - Dims shape = {500000};
  + Dims shape = {200000};
  Dims start = {0};
  - Dims count = {500000};
  + Dims count = {200000};
  size_t steps = 10;
  // run workflow
  adios2::Params readerEngineParams = {{"IPAddress", "127.0.0.1"},
  {"Port", "13480"},
  - {"MaxStepBufferSize", "50000000"},
  + {"MaxStepBufferSize", "20000000"},
  {"TransportMode", "reliable"}};
  auto r = std::thread(DataManReader, shape, start, count, steps,
  readerEngineParams);
  