Use database cleaner in specs

spec/spec_helper.rb

@@ -22,5 +22,17 @@
 
   config.expect_with(:rspec) { |c| c.syntax = :expect }
 
-  config.use_transactional_fixtures = true
+  config.use_transactional_fixtures = false
+
+  config.before do
+    DatabaseCleaner.strategy = :transaction
+  end
+
+  config.before do
+    DatabaseCleaner.start
+  end
+
+  config.after do
+    DatabaseCleaner.clean
+  end
 end

spec/support/acceptance.rb

@@ -45,4 +45,8 @@ def be_unlocked
   config.after :each, :capybara_feature => true do
     page.execute_script 'localStorage.clear()'
   end
+
+  config.before :each, :capybara_feature => true do
+    DatabaseCleaner.strategy = :truncation
+  end
 end