Tidy up test matrix

Author: zerolab

Diff for: pyproject.toml

@@ -20,6 +20,7 @@ classifiers = [
     "Framework :: Django",
     "Framework :: Django :: 4.2",
     "Framework :: Django :: 5.1",
+    "Framework :: Django :: 5.2",
     "Framework :: Wagtail",
     "Framework :: Wagtail :: 6",
 ]

Diff for: tox.ini

@@ -2,7 +2,8 @@
 min_version = 4.11
 
 envlist =
-    py{3.13,3.13}-django{4.2,5.0}-wagtail{6.3,6.4}
+    py{3.12,3.13}-django{4.2,5.1}-wagtail{6.3,6.4}
+    py{3.12,3.13}-django{5.2}-wagtail{6.4}
 
 [gh-actions]
 python =
@@ -24,15 +25,19 @@ pass_env =
     FORCE_COLOR
     NO_COLOR
 
-setenv =
+set_env =
     PYTHONPATH = {toxinidir}/tests:{toxinidir}
     PYTHONDEVMODE = 1
 
+    python3.12: COVERAGE_CORE=sysmon
+    python3.13: COVERAGE_CORE=sysmon
+
 extras = testing
 
 deps =
     django4.2: Django>=4.2,<4.3
     django5.1: Django>=5.1,<5.2
+    django5.2: Django>=5.2,<5.3
 
     wagtail6.3: wagtail>=6.3,<6.4
     wagtail6.4: wagtail>=6.4,<6.5