Use ** to match directories for coverage 6.6.0b1 [skip ci]

issue11844

tox.ini

@@ -4,8 +4,8 @@ envlist = {py37,py38,py39,py310}-{sqlite,postgresql},pypy3-{sqlite,postgresql}
 [testenv]
 extras = test
 commands =
-    coverage run --include=.*/sale_promotion_coupon_payment/* -m unittest discover -s tests
-    coverage report --include=.*/sale_promotion_coupon_payment/* --omit=*/tests/*
+    coverage run --include=./**/sale_promotion_coupon_payment/* -m unittest discover -s tests
+    coverage report --include=./**/sale_promotion_coupon_payment/* --omit=*/tests/*
 deps =
     coverage
     {py37,py38,py39,py310}-postgresql: psycopg2 >= 2.5