From f8bb8572fed8627946bfc82819d24b138d587257 Mon Sep 17 00:00:00 2001
From: Bruno Oliveira <nicoddemus@gmail.com>
Date: Mon, 11 Sep 2023 09:48:22 -0300
Subject: [PATCH] Force terminal width when running tests (#11425) (#11432)

Related to #11423

(cherry picked from commit 241f2a890e3fb3f83eac807de0b4ad00510c7f65)
---
 testing/conftest.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/testing/conftest.py b/testing/conftest.py
index 8e77fcae5ab..2a3ce5203d9 100644
--- a/testing/conftest.py
+++ b/testing/conftest.py
@@ -21,6 +21,15 @@ def restore_tracing():
             sys.settrace(orig_trace)
 
 
+@pytest.fixture(autouse=True)
+def set_column_width(monkeypatch: pytest.MonkeyPatch) -> None:
+    """
+    Force terminal width to 80: some tests check the formatting of --help, which is sensible
+    to terminal width.
+    """
+    monkeypatch.setenv("COLUMNS", "80")
+
+
 @pytest.hookimpl(hookwrapper=True, tryfirst=True)
 def pytest_collection_modifyitems(items):
     """Prefer faster tests.