Consolidate wait for elasticsearch cache

Due to the way our admin settings are cached, we need to wait
at least 60 seconds before the setting changes are  propogated
through. I've consolidated all the elasticsearch wait times
to the resource class instead of in the tests.

qa/qa/ee/resource/settings/elasticsearch.rb

@@ -26,10 +26,17 @@ module QA
                 es.click_submit
               end
             end
+            sleep(90)
+            # wait for the change to propagate before inserting records or else
+            # Gitlab::CurrentSettings.elasticsearch_indexing and
+            # Elastic::ApplicationVersionedSearch::searchable? will be false
+            # this sleep can be removed after we're able to query logs via the API
+            # as per this issue https://gitlab.com/gitlab-org/quality/team-tasks/issues/395
           end
 
           def fabricate_via_api!
             @es_enabled ? api_put : resource_web_url(api_get)
+            sleep(90)
           end
 
           def resource_web_url(resource)

qa/qa/specs/features/ee/api/enablement/elasticsearch/advanced_global_advanced_syntax_search_spec.rb

@@ -21,12 +21,6 @@ module QA
       before do
         unless elasticsearch_original_state_on?
           QA::EE::Resource::Settings::Elasticsearch.fabricate_via_api!
-          sleep(90)
-          # wait for the change to propagate before inserting records or else
-          # Gitlab::CurrentSettings.elasticsearch_indexing and
-          # Elastic::ApplicationVersionedSearch::searchable? will be false
-          # this sleep can be removed after we're able to query logs via the API
-          # as per this issue https://gitlab.com/gitlab-org/quality/team-tasks/issues/395
         end
 
         Resource::Repository::Commit.fabricate_via_api! do |commit|

qa/qa/specs/features/ee/api/enablement/elasticsearch/elasticsearch_api_spec.rb

@@ -22,12 +22,6 @@ module QA
       before do
         unless elasticsearch_original_state_on?
           QA::EE::Resource::Settings::Elasticsearch.fabricate_via_api!
-          sleep(90)
-          # wait for the change to propagate before inserting records or else
-          # Gitlab::CurrentSettings.elasticsearch_indexing and
-          # Elastic::ApplicationVersionedSearch::searchable? will be false
-          # this sleep can be removed after we're able to query logs via the API
-          # as per this issue https://gitlab.com/gitlab-org/quality/team-tasks/issues/395
         end
 
         Resource::Repository::Commit.fabricate_via_api! do |commit|