Eliminate race condition in binary I/O test.

Author: krasznaa

Diff for: tests/io/test_binary.cpp

@@ -1,6 +1,6 @@
 /** TRACCC library, part of the ACTS project (R&D line)
  *
- * (c) 2022 CERN for the benefit of the ACTS project
+ * (c) 2022-2023 CERN for the benefit of the ACTS project
  *
  * Mozilla Public License Version 2.0
  */
@@ -29,7 +29,7 @@ TEST(io_binary, cell) {
 
     // Set event configuration
     const std::size_t event = 0;
-    const std::string cells_directory = "tml_full/ttbar_mu200/";
+    const std::string cells_directory = "tml_full/ttbar_mu100/";
 
     // Memory resource used by the EDM.
     vecmem::host_memory_resource host_mr;
@@ -171,7 +171,7 @@ TEST(io_binary, spacepoint) {
 TEST(io_binary, measurement) {
     // Set event configuration
     const std::size_t event = 0;
-    const std::string measurements_directory = "tml_full/ttbar_mu200/";
+    const std::string measurements_directory = "tml_full/ttbar_mu300/";
 
     // Memory resource used by the EDM.
     vecmem::host_memory_resource host_mr;