count should be a string / trailing comma

`count` should be a string not an integer, though there should only
ever be 1 result when searching by link anyway.

Add a trailing comma for cleaner diffs(tm).

lib/search_api.rb

@@ -33,7 +33,7 @@ def scope_info
         {
           scope: {
             title: scope_object.title,
-          }
+          },
         }
       else
         {}
@@ -45,7 +45,7 @@ def rummager_params
     end
 
     def scope_object
-      @scope_object ||= api.unified_search(filter_link: scope_object_link, count: 1, fields: %w{title}).results.first
+      @scope_object ||= api.unified_search(filter_link: scope_object_link, count: "1", fields: %w{title}).results.first
     end
 
     def is_scoped?

test/unit/search_api_test.rb

@@ -33,7 +33,7 @@ class SearchAPITest < ActiveSupport::TestCase
       @search_params.expects(:filter).with('manual').returns([@manual_link])
       @manual_search_response = stub(results:  [stub(title: @manual_title)])
 
-      @rummager_api.expects(:unified_search).with(filter_link: @manual_link, count: 1, fields: %w{title}).returns(@manual_search_response)
+      @rummager_api.expects(:unified_search).with(filter_link: @manual_link, count: "1", fields: %w{title}).returns(@manual_search_response)
     end
 
     should "returns search results from rummager" do