Change SLA check for Designate

max_failure_precent is deprected. Now you should use failure_precent

Change-Id: I2552a9c6b994697653c3e3e68707d6947512c30b

rally-jobs/designate-designate.yaml

@@ -10,7 +10,8 @@
           tenants: 2
           users_per_tenant: 2
       sla:
-        max_failure_percent: 0
+        failure_rate:
+          max: 0
 
   DesignateBasic.create_and_delete_records:
     -
@@ -25,7 +26,8 @@
           tenants: 2
           users_per_tenant: 2
       sla:
-        max_failure_percent: 0
+        failure_rate:
+          max: 0
 
   DesignateBasic.create_and_list_domains:
     -
@@ -38,7 +40,8 @@
           tenants: 2
           users_per_tenant: 2
       sla:
-        max_failure_percent: 0
+        failure_rate:
+          max: 0
 
   DesignateBasic.create_and_list_records:
     -
@@ -53,7 +56,8 @@
           tenants: 2
           users_per_tenant: 2
       sla:
-        max_failure_percent: 0
+        failure_rate:
+          max: 0
 
   DesignateBasic.list_domains:
     -
@@ -66,5 +70,6 @@
           tenants: 2
           users_per_tenant: 2
       sla:
-        max_failure_percent: 0
+        failure_rate:
+          max: 0