[ci] Temporarily disable scenario tests

On rax nodes, the voting LVM job fails
consistently because the test node is
rebooted midway [1]

While we debug the issue, lets disable
scenario tests for this job, temporarily
while we identify the root cause and fix
the issue.

[1] https://launchpad.net/bugs/1886988
Change-Id: I5fc06070a5bb2502e01fafdb3b5b1fb0a0ca436b
Signed-off-by: Goutham Pacha Ravi <gouthampravi@gmail.com>
diff --git a/zuul.d/manila-tempest-jobs.yaml b/zuul.d/manila-tempest-jobs.yaml
index b2b0e1e..95a5f60 100644
--- a/zuul.d/manila-tempest-jobs.yaml
+++ b/zuul.d/manila-tempest-jobs.yaml
@@ -112,7 +112,7 @@
     required-projects:
       - openstack/neutron-dynamic-routing
     vars:
-      tempest_test_regex: '(^manila_tempest_tests.tests)(?=.*\[.*\bbackend\b.*\])'
+      tempest_test_regex: '(^manila_tempest_tests.tests.api)(?=.*\[.*\bbackend\b.*\])'
       devstack_localrc:
         SHARE_DRIVER: manila.share.drivers.lvm.LVMShareDriver
         MANILA_ENABLED_BACKENDS: london,paris