Fix parallel show output not working (#2161)

When there was also a package built in the given run.

Signed-off-by: Bernát Gábor <bgabor8@bloomberg.net>

1 files changed, 8 insertions, 0 deletions

diff --git a/tests/session/cmd/test_parallel.py b/tests/session/cmd/test_parallel.py
index 286328d2..242370e4 100644
--- a/tests/session/cmd/test_parallel.py
+++ b/tests/session/cmd/test_parallel.py
@@ -1,4 +1,5 @@
 from argparse import ArgumentTypeError
+from pathlib import Path
 
 import pytest
 from pytest_mock import MockerFixture
@@ -98,3 +99,10 @@ def test_parallel_run_live_out(tox_project: ToxProjectCreator) -> None:
     assert "python -c" in outcome.out
     assert "run a" in outcome.out
     assert "run b" in outcome.out
+
+
+def test_parallel_show_output_with_pkg(tox_project: ToxProjectCreator, demo_pkg_inline: Path) -> None:
+    ini = "[testenv]\nparallel_show_output=True\ncommands=python -c 'print(\"r {env_name}\")'"
+    project = tox_project({"tox.ini": ini})
+    result = project.run("p", "--root", str(demo_pkg_inline))
+    assert "r py" in result.out