Replace 'tests' extra with 'test' dependency group (PEP 753)

Author: hugovk

pyproject.toml

@@ -43,12 +43,6 @@ dependencies = [
   "python-slugify",
   "termcolor>=2.1",
 ]
-optional-dependencies.tests = [
-  "freezegun",
-  "pytest",
-  "pytest-cov",
-  "respx>=0.11",
-]
 urls.Changelog = "https://github.com/hugovk/norwegianblue/releases"
 urls.Homepage = "https://github.com/hugovk/norwegianblue"
 urls.Source = "https://github.com/hugovk/norwegianblue"
@@ -103,3 +97,11 @@ filterwarnings = [
   "ignore:sys.monitoring isn't available, using default core:coverage.exceptions.CoverageWarning",
 ]
 testpaths = [ "tests" ]
+
+[dependency_groups]
+test = [
+  "freezegun",
+  "pytest",
+  "pytest-cov",
+  "respx>=0.11",
+]

tox.ini

@@ -9,8 +9,6 @@ env_list =
     py{py3, 313, 312, 311, 310, 39}
 
 [testenv]
-extras =
-    tests
 set_env =
     COVERAGE_CORE = sysmon
 commands =
@@ -21,6 +19,8 @@ commands =
       --cov-report term \
       --cov-report xml \
       {posargs}
+dependency_groups =
+    test
 
 [testenv:cog]
 skip_install = true