tox: Add functional-pyNN jobs

Let's us test with specific Python versions. We also merge the
'functional-tips' target in.

Change-Id: I08e1b3e2f4be57aec0c1cd01274d86dfec769666
Signed-off-by: Stephen Finucane <sfinucan@redhat.com>

Author: stephenfin

tox.ini

@@ -57,26 +57,18 @@ commands =
     python -m pip freeze
     stestr run {posargs}
 
-[testenv:functional]
+[testenv:functional{,-tips,-py38,-py39,-py310,-py311,-py312}]
 setenv =
     OS_TEST_PATH=./openstackclient/tests/functional
 passenv =
     OS_*
 commands =
-    stestr run {posargs}
-
-[testenv:functional-tips]
-setenv =
-    OS_TEST_PATH=./openstackclient/tests/functional
-passenv =
-    OS_*
-commands =
-    python -m pip install -q -U -e {toxinidir}/../cliff#egg=cliff
-    python -m pip install -q -U -e {toxinidir}/../keystoneauth#egg=keystoneauth1
-    python -m pip install -q -U -e {toxinidir}/../osc-lib#egg=osc_lib
-    python -m pip install -q -U -e {toxinidir}/../openstacksdk#egg=openstacksdk
-    python -m pip freeze
-    stestr run {posargs}
+    tips: python -m pip install -q -U -e {toxinidir}/../cliff#egg=cliff
+    tips: python -m pip install -q -U -e {toxinidir}/../keystoneauth#egg=keystoneauth1
+    tips: python -m pip install -q -U -e {toxinidir}/../osc-lib#egg=osc_lib
+    tips: python -m pip install -q -U -e {toxinidir}/../openstacksdk#egg=openstacksdk
+    tips: python -m pip freeze
+    {[testenv]commands}
 
 [testenv:venv]
 deps =