Added py3.11 tox target

tox.ini

@@ -17,6 +17,7 @@ skip_missing_interpreters = True
 skipsdist = True
 envlist =
     check,
+    unit_py3_11,
     unit_py3_10,
     unit_py3_9,
     unit_py3_8,
@@ -26,7 +27,7 @@ envlist =
 
 [testenv]
 description =
-    {unit_py3_6,unit_py3_8,unit_py3_9,unit_py3_10}: Unit Test run with basepython set to {basepython}
+    {unit_py3_6,unit_py3_8,unit_py3_9,unit_py3_10,unit_py3_11}: Unit Test run with basepython set to {basepython}
     devel: Test KIWI
 allowlist_externals =
     bash
@@ -40,6 +41,7 @@ allowlist_externals =
     python
     pytest
 basepython =
+    unit_py3_11: python3.11
     unit_py3_10: python3.10
     unit_py3_9: python3.9
     unit_py3_8: python3.8
@@ -89,6 +91,15 @@ commands =
     {[testenv:unit]commands}
 
 
+# Unit Test run with basepython set to 3.11
+[testenv:unit_py3_11]
+setenv =
+    PYTHONPATH={toxinidir}/test
+changedir=test/unit
+commands =
+    {[testenv:unit]commands}
+
+
 [testenv:unit]
 description = Unit Test Base
 skip_install = True