diff --git a/rest-api-spec/test/cluster.state/20_filtering.yaml b/rest-api-spec/test/cluster.state/20_filtering.yaml
index 76fd5ef7bd220..7c77ea52e420f 100644
--- a/rest-api-spec/test/cluster.state/20_filtering.yaml
+++ b/rest-api-spec/test/cluster.state/20_filtering.yaml
@@ -13,8 +13,8 @@ setup:
 "Filtering the cluster state by blocks should return the blocks field even if the response is empty":
   - do:
       cluster.state:
-        metric: [ blocks ]  
-  
+        metric: [ blocks ]
+
   - is_true: blocks
   - is_false: nodes
   - is_false: metadata
@@ -34,7 +34,7 @@ setup:
           index.blocks.read_only: true
   - do:
       cluster.state:
-        metric: [ blocks ]  
+        metric: [ blocks ]
 
   - is_true: blocks
   - is_false: nodes
@@ -48,8 +48,8 @@ setup:
 "Filtering the cluster state by nodes only should work":
   - do:
       cluster.state:
-        metric: [ nodes ] 
-  
+        metric: [ nodes ]
+
   - is_false: blocks
   - is_true: nodes
   - is_false: metadata
@@ -61,8 +61,8 @@ setup:
 "Filtering the cluster state by metadata only should work":
   - do:
       cluster.state:
-        metric: [ metadata ] 
-  
+        metric: [ metadata ]
+
   - is_false: blocks
   - is_false: nodes
   - is_true: metadata
@@ -75,8 +75,8 @@ setup:
 "Filtering the cluster state by routing table only should work":
   - do:
       cluster.state:
-        metric: [ routing_table ] 
-  
+        metric: [ routing_table ]
+
   - is_false: blocks
   - is_false: nodes
   - is_false: metadata
@@ -94,7 +94,7 @@ setup:
           template: test-*
           settings:
             number_of_shards:   1
-  
+
   - do:
       indices.put_template:
         name: test2
@@ -114,7 +114,7 @@ setup:
       cluster.state:
         metric: [ metadata ]
         index_templates: [ test1, test2 ]
-  
+
   - is_false: blocks
   - is_false: nodes
   - is_true: metadata
@@ -134,7 +134,7 @@ setup:
         id:    testing_document
         body:
             "text" : "The quick brown fox is brown."
-  
+
   - do:
       indices.refresh: {}
 
@@ -142,7 +142,7 @@ setup:
       cluster.state:
         metric: [ routing_table, metadata ]
         index: [ testidx ]
-  
+
   - is_false: metadata.indices.another
   - is_false: routing_table.indices.another
   - is_true: metadata.indices.testidx
@@ -152,9 +152,9 @@ setup:
 "Filtering the cluster state using _all for indices and metrics should work":
   - do:
       cluster.state:
-        metric: [ '_all' ] 
-        index: [ '_all' ] 
-  
+        metric: [ '_all' ]
+        index: [ '_all' ]
+
   - is_true: blocks
   - is_true: nodes
   - is_true: metadata