Fix spec selector in board_filters_spec.rb

spec/features/boards/board_filters_spec.rb

@@ -15,7 +15,7 @@ RSpec.describe 'Issue board filters', :js do
   let_it_be(:issue_2) { create(:labeled_issue, project: project, milestone: milestone_2, assignees: [user], labels: [project_label], confidential: true) }
   let_it_be(:award_emoji1) { create(:award_emoji, name: 'thumbsup', user: user, awardable: issue_1) }
 
-  let(:filtered_search) { find('[data-testid="issue_1-board-filtered-search"]') }
+  let(:filtered_search) { find('[data-testid="issue-board-filtered-search"]') }
   let(:filter_input) { find('.gl-filtered-search-term-input')}
   let(:filter_dropdown) { find('.gl-filtered-search-suggestion-list') }
   let(:filter_first_suggestion) { find('.gl-filtered-search-suggestion-list').first('.gl-filtered-search-suggestion') }