Reduce .times usage in AccountSearch spec, use constant for default limit (#27946)

app/models/concerns/account_search.rb

@@ -106,6 +106,8 @@ module AccountSearch
     LIMIT :limit OFFSET :offset
   SQL
 
+  DEFAULT_LIMIT = 10
+
   def searchable_text
     PlainTextFormatter.new(note, local?).to_s if discoverable?
   end
@@ -118,7 +120,7 @@ module AccountSearch
   end
 
   class_methods do
-    def search_for(terms, limit: 10, offset: 0)
+    def search_for(terms, limit: DEFAULT_LIMIT, offset: 0)
       tsquery = generate_query_for_search(terms)
 
       find_by_sql([BASIC_SEARCH_SQL, { limit: limit, offset: offset, tsquery: tsquery }]).tap do |records|
@@ -126,7 +128,7 @@ module AccountSearch
       end
     end
 
-    def advanced_search_for(terms, account, limit: 10, following: false, offset: 0)
+    def advanced_search_for(terms, account, limit: DEFAULT_LIMIT, following: false, offset: 0)
       tsquery = generate_query_for_search(terms)
       sql_template = following ? ADVANCED_SEARCH_WITH_FOLLOWING : ADVANCED_SEARCH_WITHOUT_FOLLOWING