ES: Fix spec to read mappings/settings through proxy

ee/lib/gitlab/elastic/helper.rb

@@ -19,8 +19,8 @@ module Gitlab
           ProjectWiki,
           Repository
         ].each do |klass|
-          settings.deep_merge!(klass.settings.to_hash)
-          mappings.deep_merge!(klass.mappings.to_hash)
+          settings.deep_merge!(klass.__elasticsearch__.settings.to_hash)
+          mappings.deep_merge!(klass.__elasticsearch__.mappings.to_hash)
         end
 
         client = Project.__elasticsearch__.client

ee/spec/models/concerns/elastic/snippet_spec.rb

@@ -136,14 +136,14 @@ describe Snippet, :elastic do
       'visibility_level'
     ).merge({ 'type' => snippet.es_type })
 
-    expect(snippet.as_indexed_json).to eq(expected_hash)
+    expect(snippet.__elasticsearch__.as_indexed_json).to eq(expected_hash)
   end
 
   it 'uses same index for Snippet subclasses' do
     Snippet.subclasses.each do |snippet_class|
       expect(snippet_class.index_name).to eq(Snippet.index_name)
       expect(snippet_class.document_type).to eq(Snippet.document_type)
-      expect(snippet_class.mappings.to_hash).to eq(Snippet.mappings.to_hash)
+      expect(snippet_class.__elasticsearch__.mappings.to_hash).to eq(Snippet.__elasticsearch__.mappings.to_hash)
     end
   end
 end