chore(tests): use coverage directly to run tests

no need for the pytest-cov wrapper library

pyproject.toml

@@ -24,8 +24,8 @@ dev = [
     "pre-commit",
 ]
 test = [
+    "coverage",
     "pytest",
-    "pytest-cov",
     "pytest-django",
     "pytest-mock",
     "pytest-socket",

tests/pytest/run.sh

@@ -1,8 +1,10 @@
 #!/usr/bin/env bash
 set -eu
 
-pytest --cov=benefits --cov-branch --import-mode=importlib --no-migrations
+# run normal pytests
+coverage run -m pytest --no-migrations
 
 # clean out old coverage results
 rm -rf benefits/static/coverage
+
 coverage html --directory benefits/static/coverage