add home_spec integration test

spec/integration/home_spec.rb

@@ -0,0 +1,21 @@
+require_relative '../spec_helper'
+
+feature HomeController do
+    let(:user) { create :user }
+    before { login user }
+    describe 'my profile' do
+        before { visit my_profile_path }
+
+        it 'is accessible' do
+            expect(page).to have_selector 'input[id=user_first_name]'
+            expect(find_field('user_first_name').value).to eq(user.first_name)
+        end
+
+        it 'updates first name' do
+            fill_in 'user_first_name', with: "foo"
+            click_button('Save')
+            expect(User.find(user.id).first_name).to eq "foo"
+            expect(page).to have_selector '.alert-success'
+        end
+    end
+end