Switch to new rolevar for run-temepst role

Tempest replaced the below rolevar for run-tempest role
- tempest_test_blacklist is replaced by tempest_test_exclude_list
- tempest_black_regex is replaced by tempest_exclude_regex

old name are still supported for compatiblity but we recommend
to switch to new one.

Change-Id: I5bdd7001f0b509cd315d1367d75537f5689df850
diff --git a/zuul.d/integrated-gate.yaml b/zuul.d/integrated-gate.yaml
index 27bbf64..c0db9b1 100644
--- a/zuul.d/integrated-gate.yaml
+++ b/zuul.d/integrated-gate.yaml
@@ -138,7 +138,7 @@
       and Glance related tests. This is meant to be run on Nova gate only.
     vars:
       tox_envlist: integrated-compute
-      tempest_black_regex: ""
+      tempest_exclude_regex: ""
       devstack_localrc:
         USE_PYTHON3: true
         FORCE_CONFIG_DRIVE: true