Fix RSpec/ContextWording cop (#24739)

spec/controllers/api/v2/filters_controller_spec.rb

@@ -66,7 +66,7 @@ RSpec.describe Api::V2::FiltersController, type: :controller do
     let!(:filter)  { Fabricate(:custom_filter, account: user.account) }
     let!(:keyword) { Fabricate(:custom_filter_keyword, custom_filter: filter) }
 
-    context 'updating filter parameters' do
+    context 'when updating filter parameters' do
       before do
         put :update, params: { id: filter.id, title: 'updated', context: %w(home public) }
       end
@@ -84,7 +84,7 @@ RSpec.describe Api::V2::FiltersController, type: :controller do
       end
     end
 
-    context 'updating keywords in bulk' do
+    context 'when updating keywords in bulk' do
       before do
         allow(redis).to receive_messages(publish: nil)
         put :update, params: { id: filter.id, keywords_attributes: [{ id: keyword.id, keyword: 'updated' }] }