Upgrade pytest to 5.4.1 (#34739)

requirements_test.txt

@@ -5,6 +5,7 @@
 -r requirements_test_pre_commit.txt
 asynctest==0.13.0
 codecov==2.0.22
+coverage==5.1
 mock-open==1.4.0
 mypy==0.770
 pre-commit==2.3.0
@@ -15,6 +16,6 @@ pytest-aiohttp==0.3.0
 pytest-cov==2.8.1
 pytest-sugar==0.9.3
 pytest-timeout==1.3.4
-pytest==5.3.5
+pytest==5.4.1
 requests_mock==1.7.0
 responses==0.10.6