Update test requirements

Signed-off-by: Christian König <ckoenig@posteo.de>

test/requirements.txt

@@ -1,6 +1,5 @@
 docker-compose
 pytest
 pytest-xdist
-pytest-cov
 pytest-testinfra
 tox

test/tox.centos_8.ini

@@ -2,7 +2,7 @@
 envlist = py3
 
 [testenv]
-whitelist_externals = docker
+allowlist_externals = docker
 deps = -rrequirements.txt
 commands = docker build -f _centos_8.Dockerfile -t pytest_pihole:test_container ../
            pytest {posargs:-vv -n auto} ./test_any_automated_install.py ./test_any_utils.py ./test_centos_fedora_common_support.py ./test_centos_common_support.py

test/tox.debian_10.ini

@@ -2,7 +2,7 @@
 envlist = py3
 
 [testenv]
-whitelist_externals = docker
+allowlist_externals = docker
 deps = -rrequirements.txt
 commands = docker build -f _debian_10.Dockerfile -t pytest_pihole:test_container ../
            pytest {posargs:-vv -n auto} ./test_any_automated_install.py ./test_any_utils.py

test/tox.debian_11.ini

@@ -2,7 +2,7 @@
 envlist = py3
 
 [testenv]
-whitelist_externals = docker
+allowlist_externals = docker
 deps = -rrequirements.txt
 commands = docker build -f _debian_11.Dockerfile -t pytest_pihole:test_container ../
            pytest {posargs:-vv -n auto} ./test_any_automated_install.py ./test_any_utils.py

test/tox.fedora_34.ini

@@ -2,7 +2,7 @@
 envlist = py3
 
 [testenv]
-whitelist_externals = docker
+allowlist_externals = docker
 deps = -rrequirements.txt
 commands = docker build -f _fedora_34.Dockerfile -t pytest_pihole:test_container ../
            pytest {posargs:-vv -n auto} ./test_any_automated_install.py ./test_any_utils.py ./test_centos_fedora_common_support.py ./test_fedora_support.py

test/tox.ubuntu_20.ini

@@ -2,7 +2,7 @@
 envlist = py3
 
 [testenv]
-whitelist_externals = docker
+allowlist_externals = docker
 deps = -rrequirements.txt
 commands = docker build -f _ubuntu_20.Dockerfile -t pytest_pihole:test_container ../
            pytest {posargs:-vv -n auto} ./test_any_automated_install.py ./test_any_utils.py

test/tox.ubuntu_22.ini

@@ -2,7 +2,7 @@
 envlist = py3
 
 [testenv]
-whitelist_externals = docker
+allowlist_externals = docker
 deps = -rrequirements.txt
 commands = docker build -f _ubuntu_22.Dockerfile -t pytest_pihole:test_container ../
            pytest {posargs:-vv -n auto} ./test_any_automated_install.py ./test_any_utils.py