Implement replication support in huawei driver

Implement the following interfaces:
  - create_replica
  - delete_replica
  - promote_replica
  - update_replica_state

DocImpact

Change-Id: I1c52c9f67daa8440050a03e7e9ead5ca32ded458
Implements: bp huawei-driver-support-replication
diff --git a/manila_tempest_tests/config.py b/manila_tempest_tests/config.py
index 4203a71..ec9a204 100644
--- a/manila_tempest_tests/config.py
+++ b/manila_tempest_tests/config.py
@@ -168,6 +168,11 @@
                 help="Defines whether to run replication tests or not. "
                      "Enable this feature if the driver is configured "
                      "for replication."),
+    cfg.BoolOpt("run_multiple_share_replicas_tests",
+                default=True,
+                help="Defines whether to run multiple replicas creation test "
+                     "or not. Enable this if the driver can create more than "
+                     "one replica for a share."),
     cfg.BoolOpt("run_migration_tests",
                 default=False,
                 help="Enable or disable migration tests."),