Add SCTP protocol listener api tests

Story: 2007884
Task: 41174

Change-Id: I090045a0eac39cb64f0373f932e7b42640ee5ad9
diff --git a/octavia_tempest_plugin/common/constants.py b/octavia_tempest_plugin/common/constants.py
index 8ef8d94..e3bd83e 100644
--- a/octavia_tempest_plugin/common/constants.py
+++ b/octavia_tempest_plugin/common/constants.py
@@ -132,6 +132,7 @@
 HTTPS = 'HTTPS'
 PROXY = 'PROXY'
 PROMETHEUS = 'PROMETHEUS'
+SCTP = 'SCTP'
 TCP = 'TCP'
 TERMINATED_HTTPS = 'TERMINATED_HTTPS'
 UDP = 'UDP'
@@ -152,6 +153,7 @@
 HEALTH_MONITOR_TCP = 'TCP'
 HEALTH_MONITOR_HTTP = 'HTTP'
 HEALTH_MONITOR_HTTPS = 'HTTPS'
+HEALTH_MONITOR_SCTP = 'SCTP'
 HEALTH_MONITOR_TLS_HELLO = 'TLS-HELLO'
 HEALTH_MONITOR_UDP_CONNECT = 'UDP-CONNECT'