set up test for preventing this issue from reoccuring

spec/features/issues/filter_issues_spec.rb

+require 'rails_helper'
+
+describe 'Filter issues', feature: true do
+
+  let!(:project)   { create(:project) }
+  let!(:issue)     { create(:issue, project: project) }
+  let!(:user)      { create(:user)}
+
+  before do
+    project.team << [user, :master]
+    login_as(user)
+  end
+
+  describe 'Filter issues for assignee from issues#index' do
+
+    before do
+      visit namespace_project_issues_path(project.namespace, project)
+
+      find('.js-assignee-search').click
+
+      find('.dropdown-menu-user-link', text: user.username).click
+
+      sleep 2
+    end
+
+    context 'assignee', js: true do
+      it 'should update to current user' do
+        expect(find('.js-assignee-search .dropdown-toggle-text')).to have_content(user.name)
+      end
+
+      it 'should not change when closed link is clicked' do
+        find('.issues-state-filters a', text: "Closed").click
+
+        expect(find('.js-assignee-search .dropdown-toggle-text')).to have_content(user.name)
+      end
+
+
+      it 'should not change when all link is clicked' do
+        find('.issues-state-filters a', text: "All").click
+
+        expect(find('.js-assignee-search .dropdown-toggle-text')).to have_content(user.name)
+      end
+    end
+  end
+end