diff --git a/tests/conftest.py b/tests/conftest.py
index 5af8bac1..ba8b0a74 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -50,4 +50,7 @@ def build_midi():
     result = subprocess.run(cmd, capture_output=True, text=True, shell=True)
     all_build_success = result.returncode
 
+    with open("midi_build.txt", "wt") as mb:
+        mb.write(str(result))
+
     return str(Path(__file__).parent / f"test_midi/bin/") if all_build_success == 0 else False