Add Designate hacking checks to the tempest plugin

This patch adds the Designate hacking checks to also run against
the Designate tempest plugin code to maintain consistent style
checking across the Designate repositories.

Change-Id: I8f41bb8188ba8442dbf493dac39b8601f5208938
diff --git a/tox.ini b/tox.ini
index 545cdca..7a5148b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -105,3 +105,15 @@
   T112 = tempest.hacking.checks:dont_import_local_tempest_into_lib
   T113 = tempest.hacking.checks:dont_use_config_in_tempest_lib
   T114 = tempest.hacking.checks:use_rand_uuid_instead_of_uuid4
+  D701 = checks:mutable_default_arguments
+  D703 = checks:check_explicit_underscore_import
+  D704 = checks:no_import_graduated_oslo_libraries
+  D705 = checks:use_timeutils_utcnow
+  D706 = checks:no_translate_debug_logs
+  D707 = checks:check_no_basestring
+  D708 = checks:check_python3_xrange
+  D709 = checks:check_no_log_audit
+  D710 = checks:check_no_log_warn
+  D711 = checks:check_line_continuation_no_backslash
+paths = ./designate_tempest_plugin/hacking
+