gh-106368: Argument clinic tests: improve failure message when tests in `ClinicExternalTests` fail (#107364)

2023-07-28 00:57:55 +01:00 · 2023-07-28 00:57:55 +01:00 · 76c26eaca4
parent c2b1689abc
commit 76c26eaca4
1 changed files with 1 additions and 1 deletions
--- a/Lib/test/test_clinic.py
+++ b/Lib/test/test_clinic.py
@ -1386,7 +1386,7 @@ class ClinicExternalTest(TestCase):
        ) as proc:
            proc.wait()
            if expect_success and proc.returncode:
-                self.fail("".join(proc.stderr))
+                self.fail("".join([*proc.stdout, *proc.stderr]))
            stdout = proc.stdout.read()
            stderr = proc.stderr.read()
            # Clinic never writes to stderr.