venv: Do not fail for test commands that don't exist with "-" leader (#2316)master

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/unit/test_venv.py b/tests/unit/test_venv.py
index 2d019034..aa78a48b 100644
--- a/tests/unit/test_venv.py
+++ b/tests/unit/test_venv.py
@@ -980,6 +980,21 @@ def test_ignore_outcome_failing_cmd(newmocksession):
     mocksession.report.expect("warning", "*command failed but result from testenv is ignored*")
 
 
+def test_ignore_outcome_missing_cmd(newmocksession):
+    mocksession = newmocksession(
+        [],
+        """\
+        [testenv]
+        commands=-thiscommanddoesntexist
+        """,
+    )
+
+    venv = mocksession.getvenv("python")
+    venv.test()
+    assert venv.status == 0
+    mocksession.report.expect("warning", "*command not found but explicitly ignored*")
+
+
 def test_tox_testenv_create(newmocksession):
     log = []