[OE-core] [PATCH] oeqa/concurrencytest: Ensure subunit streams are flushed at exit

[Richard Purdie]

Without this, error output such as that in the teardown can be lost
and processes may recieve signals they're not expecting causing other
strange errors.

Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/lib/oeqa/core/utils/concurrencytest.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/meta/lib/oeqa/core/utils/concurrencytest.py b/meta/lib/oeqa/core/utils/concurrencytest.py
index 850586516a4..6404cb4668c 100644
--- a/meta/lib/oeqa/core/utils/concurrencytest.py
+++ b/meta/lib/oeqa/core/utils/concurrencytest.py
@@ -225,7 +225,9 @@ def fork_for_tests(concurrency_num, suite):
                 finally:
                     if newbuilddir:
                         removebuilddir(newbuilddir)
+                    stream.flush()
                     os._exit(1)
+            stream.flush()
             os._exit(0)
         else:
             os.close(c2pwrite)
-- 
2.17.1