Revert "Upgrade to pytest 5.4"

This reverts commit 738d0ab875.

Probably a bad idea before this is fixed:
https://github.com/pytest-dev/pytest-rerunfailures/issues/103

misc/requirements/requirements-tests.txt

@@ -24,9 +24,8 @@ parse-type==0.5.2
 pluggy==0.13.1
 py==1.8.1
 py-cpuinfo==5.0.0
-Pygments==2.6.1
 pyparsing==2.4.6
-pytest==5.4.0
+pytest==5.3.5
 pytest-bdd==3.2.1
 pytest-benchmark==3.2.3
 pytest-cov==2.8.1

misc/requirements/requirements-tests.txt-raw

@@ -16,7 +16,6 @@ pytest-rerunfailures
 pytest-travis-fold
 pytest-xvfb
 vulture
-pygments
 
 #@ markers: jaraco.functools python_version>="3.6"
 #@ add: jaraco.functools==2.0; python_version<"3.6"  # rq.filter: <= 2.0

pytest.ini

@@ -1,6 +1,6 @@
 [pytest]
 log_level = NOTSET
-addopts = --strict --instafail --benchmark-columns=Min,Max,Median
+addopts = --strict -rfEw --instafail --benchmark-columns=Min,Max,Median
 testpaths = tests
 markers =
     gui: Tests using the GUI (e.g. spawning widgets)