Restore check/audit test in tox.ini

The check/audit mode test in tox.ini was removed in
If42e739002e36669044a9396e233dbd382add4c8 with the tox.ini cleanup.
This patch adds it back into tox.ini so that it runs prior to the
functional tests.

Change-Id: I1842c8170ec532baf713ab789ffe389369c5e48e

tox.ini

@@ -165,6 +165,14 @@ setenv =
 #                   to true.
 commands =
     {[testenv:ansible]commands}
+    # NOTE(mhayden): Check/audit mode is a feature of the role and it should
+    #                be tested prior to running the functional test.
+    ansible-playbook --check \
+                     -i {toxinidir}/tests/inventory \
+                     -e "rolename={toxinidir}" \
+                     -e "install_test_packages=True" \
+                     --skip-tag V-38462 \
+                     {toxinidir}/tests/test_check.yml -vvvv
     ansible-playbook -i {toxinidir}/tests/inventory \
                      -e "rolename={toxinidir}" \
                      -e "install_test_packages=True" \