fix coverage of isolated tests (#1314)

Co-authored-by: 🇺🇦 Sviatoslav Sydorenko (Святослав Сидоренко) <[email protected]>
Co-authored-by: J. Nick Koston <[email protected]>
Co-authored-by: J. Nick Koston <[email protected]>

Author: 3 people

CHANGES/1314.contrib.rst

@@ -0,0 +1,2 @@
+Added support for collecting code coverage of isolated multidict tests
+-- by :user:`Vizonex`.

tests/test_leaks.py

@@ -25,7 +25,7 @@ def test_leak(script: str) -> None:
     leak_test_script = pathlib.Path(__file__).parent.joinpath("isolated", script)
 
     subprocess.run(
-        [sys.executable, "-u", str(leak_test_script)],
+        [sys.executable, "-u", "-m", "coverage", "run", str(leak_test_script)],
         stdout=subprocess.PIPE,
         stderr=subprocess.PIPE,
         check=True,