[TEST] Don't use replicas if only primaries are expected or the first shard in the list shoudl be a primary

rest-api-spec/test/indices.recovery/10_basic.yaml

@@ -7,6 +7,10 @@
   - do:
       indices.create:
         index:  test_1
+        body:
+          settings:
+            index:
+              number_of_replicas: 0
 
   - do:
       cluster.health: