Modernize the meta files of the project

tox.ini

@@ -1,10 +1,29 @@
 [tox]
-envlist = py311, py312
+envlist = fresh, coverage
 
 [testenv]
-recreate = false
 setenv =
     PYTHONPATH = .
-commands = python --version
-           python -m coverage run tests
-           coverage report --skip-covered
+deps = -r{toxinidir}/requirements.txt
+       selenium
+commands_pre = python --version
+               python -m django --version
+commands = python tests
+
+[testenv:fast]
+description = Only run the testsuite
+
+[testenv:fresh]
+description = Run tests in freshly created environment (with coverage)
+recreate = true
+deps = {[testenv]deps}
+       coverage
+commands_pre = {[testenv]commands_pre}
+               python -m coverage --version
+commands = python -m coverage run tests
+
+[testenv:coverage]
+description = Report test coverage
+deps = {[testenv:fresh]deps}
+commands = python -m coverage report --skip-covered
+