[PATCH v2 1/8] tests/qemu-iotests/testrunner: Allow parallel test invocations

[Thomas Huth]

If multiple tests run in parallel, they must use unique file
names for the test output.

Suggested-by: Hanna Reitz <hreitz@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 tests/qemu-iotests/testrunner.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/qemu-iotests/testrunner.py b/tests/qemu-iotests/testrunner.py
index 0eace147b8..9d20f51bb1 100644
--- a/tests/qemu-iotests/testrunner.py
+++ b/tests/qemu-iotests/testrunner.py
@@ -259,7 +259,7 @@ def do_run_test(self, test: str, mp: bool) -> TestResult:
         """
 
         f_test = Path(test)
-        f_bad = Path(f_test.name + '.out.bad')
+        f_bad = Path(f'{os.getpid()}-{f_test.name}.out.bad')
         f_notrun = Path(f_test.name + '.notrun')
         f_casenotrun = Path(f_test.name + '.casenotrun')
         f_reference = Path(self.find_reference(test))
-- 
2.27.0