diff --git a/spec/controllers/concerns/auth_concern_spec.rb b/spec/controllers/concerns/auth_concern_spec.rb
index 39ad7b7e..65d7f13e 100644
--- a/spec/controllers/concerns/auth_concern_spec.rb
+++ b/spec/controllers/concerns/auth_concern_spec.rb
@@ -5,7 +5,6 @@ require 'spec_helper'
 class DummyAuthController < ApplicationController; end
 
 describe 'Auth concern', type: :controller do
-
   controller DummyAuthController do
     # Defining a dummy action for an anynomous controller which inherits from the described class.
     def authenticate_blank
diff --git a/spec/controllers/finance/base_controller_spec.rb b/spec/controllers/finance/base_controller_spec.rb
new file mode 100644
index 00000000..40c80c57
--- /dev/null
+++ b/spec/controllers/finance/base_controller_spec.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Finance::BaseController, type: :controller do
+  let(:user) { create :user, :role_finance, :role_orders, :ordergroup }
+
+  before { login user }
+
+  describe 'GET index' do
+    let(:fin_trans) { create_list :financial_transaction, 3, user: user, ordergroup: user.ordergroup }
+    let(:orders) { create_list :order, 2, state: 'finished' }
+    let(:invoices) { create_list :invoice, 4 }
+
+    before do
+      fin_trans
+      orders
+      invoices
+    end
+
+    it 'renders index page' do
+      get :index, params: { foodcoop: FoodsoftConfig[:default_scope] }
+      expect(response).to have_http_status(:success)
+      expect(response).to render_template('finance/index')
+      expect(assigns(:financial_transactions).size).to eq(fin_trans.size)
+      expect(assigns(:orders).size).to eq(orders.size)
+      expect(assigns(:unpaid_invoices).size).to eq(invoices.size)
+    end
+  end
+end
\ No newline at end of file
diff --git a/spec/factories/supplier.rb b/spec/factories/supplier.rb
index 67ba3528..5780dc46 100644
--- a/spec/factories/supplier.rb
+++ b/spec/factories/supplier.rb
@@ -5,6 +5,7 @@ FactoryBot.define do
     name { Faker::Company.name.truncate(30) }
     phone { Faker::PhoneNumber.phone_number }
     address { Faker::Address.street_address }
+    email { Faker::Internet.email }
 
     transient do
       article_count { 0 }
diff --git a/spec/integration/admin_spec.rb b/spec/integration/admin_spec.rb
new file mode 100644
index 00000000..c929a44a
--- /dev/null
+++ b/spec/integration/admin_spec.rb
@@ -0,0 +1,29 @@
+require_relative '../spec_helper'
+
+feature Admin::BaseController do
+  let(:admin) { create :admin }
+  let(:users) { create_list :user, 2 }
+  let(:workgroups) { create_list :workgroup, 3 }
+  let(:groups) { create_list :group, 4 }
+
+  before { login admin }
+
+  describe 'base#index' do
+    before do
+      users
+    end
+
+    it 'is accessible with workgroups existing' do
+      workgroups
+      visit admin_root_path
+      expect(page).to have_content(I18n.t('admin.base.index.newest_users'))
+      expect(page).to have_content(users.first.name)
+    end
+
+    # TODO:
+    it 'raising error when groups existing' do
+      groups
+      expect{ visit admin_root_path }.to raise_error(ActionView::Template::Error)
+    end
+  end
+end
diff --git a/spec/integration/supplier_spec.rb b/spec/integration/supplier_spec.rb
index ea015d06..e4a81a0a 100644
--- a/spec/integration/supplier_spec.rb
+++ b/spec/integration/supplier_spec.rb
@@ -2,12 +2,11 @@ require_relative '../spec_helper'
 
 feature 'supplier' do
   let(:supplier) { create :supplier }
+  let(:user) { create :user, groups: [create(:workgroup, role_suppliers: true)] }
+
+  before { login user }
 
   describe 'create new' do
-    let(:user) { create :user, groups: [create(:workgroup, role_suppliers: true)] }
-
-    before { login user }
-
     it 'can be created' do
       create :supplier_category
       visit suppliers_path
@@ -28,4 +27,36 @@ feature 'supplier' do
       expect(page).to have_content(supplier.name)
     end
   end
+
+  describe 'existing', js: true do
+    it 'can be shown' do
+      supplier
+      visit suppliers_path
+      click_link supplier.name
+      expect(page).to have_content(supplier.address)
+      expect(page).to have_content(supplier.phone)
+      expect(page).to have_content(supplier.email)
+    end
+
+    it 'can be updated' do
+      new_name = Faker::Company.name.truncate(30)
+      supplier
+      visit suppliers_path
+      click_link I18n.t('ui.edit')
+      fill_in I18n.t('activerecord.attributes.supplier.name'), with: new_name
+      click_button 'Update Supplier'
+      expect(supplier.reload.name).to eq new_name
+    end
+
+    it 'can be destroyed' do
+      supplier
+      visit suppliers_path
+      expect(page).to have_content(supplier.name)
+      accept_confirm do
+        click_link I18n.t('ui.delete')
+      end
+      expect(page).not_to have_content(supplier.name)
+      expect(supplier.reload.deleted?).to be true
+    end
+  end
 end