write_test_zero_extent: require flush to buffer

Somehow PerformDataWrite() leads to trouble with this pattern.
franzpoeschel · Jun 5, 2024 · 36597bd · 36597bd
1 parent a961739
commit 36597bd
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/test/ParallelIOTest.cpp b/test/ParallelIOTest.cpp
@@ -132,7 +132,8 @@ void write_test_zero_extent(
     Series o = Series(
         filePath.append(".").append(file_ending),
         Access::CREATE,
-        MPI_COMM_WORLD);
+        MPI_COMM_WORLD,
+        "adios2.engine.preferred_flush_target = \"buffer\"");
 
     int const max_step = 100;