Fix MultiClusterSearchYamlTestSuiteIT test failures (#58359)

Restore number of shards for the field_caps_empty_index

qa/multi-cluster-search/src/test/resources/rest-api-spec/test/multi_cluster/10_basic.yml

@@ -294,7 +294,7 @@
   - match: { hits.total: 12 }
 
 ---
-"Search an filtered alias on the remote cluster":
+"Search a filtered alias on the remote cluster":
 
   - do:
       search:
@@ -311,10 +311,7 @@
   - match: { hits.hits.0._index: "my_remote_cluster:test_index" }
 
 ---
-"Search an filtered alias and empty index on the remote cluster":
+"Search a filtered alias and empty index on the remote cluster":
-  - skip:
-      version: "all"
-      reason: "AwaitsFix https://github.com/elastic/elasticsearch/issues/58345"
 
   - do:
       search:
@@ -332,9 +329,6 @@
 
 ---
 "Single shard search gets properly proxied":
-  - skip:
-        version: "all"
-        reason: "AwaitsFix https://github.com/elastic/elasticsearch/issues/58345"
 
   - do:
       search:

qa/multi-cluster-search/src/test/resources/rest-api-spec/test/multi_cluster/60_tophits.yml

@@ -19,9 +19,6 @@ teardown:
 
 ---
 "Test that remote index names are preserved in top hits":
-  - skip:
-      version: "all"
-      reason: "AwaitsFix https://github.com/elastic/elasticsearch/issues/58345"
 
   - do:
       bulk:

qa/multi-cluster-search/src/test/resources/rest-api-spec/test/multi_cluster/70_skip_shards.yml

@@ -1,8 +1,5 @@
 ---
 "Test that remote indices are subject to shard skipping":
-  - skip:
-      version: "all"
-      reason: "AwaitsFix https://github.com/elastic/elasticsearch/issues/58345"
 
   - do:
       indices.create:

qa/multi-cluster-search/src/test/resources/rest-api-spec/test/multi_cluster/80_index_name_agg.yml

@@ -19,9 +19,6 @@ teardown:
 
 ---
 "Test that remote indices are maintained when we aggregate on _index":
-  - skip:
-      version: "all"
-      reason: "AwaitsFix https://github.com/elastic/elasticsearch/issues/58345"
 
   - do:
       bulk:

qa/multi-cluster-search/src/test/resources/rest-api-spec/test/multi_cluster/90_index_name_query.yml

@@ -17,9 +17,6 @@ teardown:
 
 ---
 "Test that queries on _index match against the correct indices.":
-  - skip:
-      version: "all"
-      reason: "AwaitsFix https://github.com/elastic/elasticsearch/issues/58345"
 
   - do:
       bulk:
@@ -62,9 +59,6 @@ teardown:
 
 ---
 "Test that queries on _index that don't match are skipped":
-  - skip:
-      version: "all"
-      reason: "AwaitsFix https://github.com/elastic/elasticsearch/issues/58345"
 
   - do:
       bulk:

qa/multi-cluster-search/src/test/resources/rest-api-spec/test/remote_cluster/10_basic.yml

@@ -50,6 +50,7 @@
         body:
           settings:
             index:
+              number_of_shards: 1
               number_of_replicas: 0
           mappings:
             properties:
@@ -66,6 +67,11 @@
   - do:
         indices.create:
           index: field_caps_empty_index
+          body:
+            settings:
+              index:
+                number_of_shards: 1
+                number_of_replicas: 0
 
   - do:
         indices.create: