Coverage fails so do not do it.

--- yarl-1.18.0/pytest.ini.orig
+++ yarl-1.18.0/pytest.ini
@@ -16,14 +16,6 @@
   # https://docs.pytest.org/en/stable/doctest.html
   --doctest-modules
 
-  # Pre-load the `pytest-cov` plugin early:
-  -p pytest_cov
-
-  # `pytest-cov`:
-  --cov
-  --cov-config=.coveragerc
-  --cov-context=test
-
   # Fail on config parsing warnings:
   # --strict-config