Add feature spec for user view commits

Add test to ensure correct commits per day are displayed in the
commits list

spec/features/commits/user_view_commits_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'Commit > User view commits' do
+  let_it_be(:project) { create(:project, :public, :repository) }
+  let_it_be(:user) { project.creator }
+
+  before do
+    visit project_commits_path(project)
+  end
+
+  describe 'Commits List' do
+    it 'displays the correct number of commits per day in the header' do
+      expect(first('.js-commit-header').find('.commits-count').text).to eq('1 commit')
+    end
+
+    it 'lists the correct number of commits' do
+      expect(page).to have_selector('#commits-list > li:nth-child(2) > ul', count: 1)
+    end
+  end
+end