tracetool-test: allow to run in parallel

Create a temporary build subdirectory, to avoid conflicting with other
running tests. This fixes "meson test" with tracetool-test which is
parallel default.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20250916081638.764020-9-berrange@redhat.com
Message-ID: <20250908114652.1880366-1-marcandre.lureau@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

tests/tracetool/tracetool-test.py

@@ -6,6 +6,7 @@ from pathlib import Path
 from shutil import copyfile
 from subprocess import check_call
 import sys
+import tempfile
 
 
 def get_formats(backend):
@@ -99,7 +100,8 @@ if __name__ == "__main__":
         print("syntax: {argv0} TRACE-TOOL BACKEND SRC-DIR BUILD-DIR", file=sys.stderr)
         sys.exit(1)
 
-    fail = test_tracetool(sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4])
-    if fail:
-        sys.exit(1)
+    with tempfile.TemporaryDirectory(prefix=sys.argv[4]) as tmpdir:
+        fail = test_tracetool(sys.argv[1], sys.argv[2], sys.argv[3], tmpdir)
+        if fail:
+            sys.exit(1)
     sys.exit(0)