enable trove backup tests

enable trove tests that related to backup logic

Depends-On: https://review.opendev.org/c/openstack/trove/+/885452

Change-Id: Ib9d4070c6309f9fad3626248281b197d7f47c2d0

.zuul.yaml

@@ -6,13 +6,13 @@
       - tempest-plugin-jobs
     check:
       jobs:
-        - trove-tempest-plugin:
+        - trove-tempest-mysql-5.7.29:
             voting: false
         - trove-tempest-ipv6-only:
-            voting: false
+           voting: false
     gate:
       jobs:
-        - trove-tempest-plugin:
+        - trove-tempest-mysql-5.7.29:
             voting: false
         - trove-tempest-ipv6-only:
             voting: false
@@ -48,6 +48,10 @@
       - stable/stein
       - stable/train
 
+- job:
+    name: trove-tempest-mysql-5.7.29
+    parent: trove-tempest
+
 - job:
     name: trove-tempest-plugin
     parent: devstack-tempest

tempest_blacklist.txt

@@ -1,5 +1,3 @@
 # --blacklist-file contents for the trove tempest job defined in .zuul.yaml
 
-# TODO: Need to figure out why those tests are failed in CI devstack.
-^trove_tempest_plugin.tests.scenario.test_backup
-^trove_tempest_plugin.tests.scenario.test_replication
+^trove_tempest_plugin.tests.scenario.test_replication