Fix invalid reference to @controller

spec_legacy/support/legacy_assertions.rb

@@ -265,17 +265,8 @@ module LegacyAssertionsAndHelpers
           it { should respond_with failure_code }
           it { should_respond_with_content_type_based_on_url(url) }
           it 'include correct www_authenticate_header' do
-            # the 3.0.9 implementation of head leads to Www as the method capitalizes each
-            # word split by a hyphen.
-            # this is fixed in 3.1.0 http://apidock.com/rails/v3.1.0/ActionController/Head/head
-            # remove this switch once on 3.1.0
-            if ::Rails::VERSION::MAJOR == 3 && ::Rails::VERSION::MINOR == 0
-              assert @controller.response.headers.has_key?('Www-Authenticate')
-              assert_equal 'Session realm="OpenProject API"', @controller.response.headers['Www-Authenticate']
-            else
-              assert @controller.response.headers.has_key?('WWW-Authenticate')
-              assert_equal 'Session realm="OpenProject API"', @controller.response.headers['WWW-Authenticate']
-            end
+            assert response.headers.has_key?('WWW-Authenticate')
+            assert_equal 'Session realm="OpenProject API"', response.headers['WWW-Authenticate']
           end
         end
       end
@@ -327,15 +318,7 @@ module LegacyAssertionsAndHelpers
           it { should respond_with failure_code }
           it { should_respond_with_content_type_based_on_url(url) }
           it 'include_www_authenticate_header' do
-            # the 3.0.9 implementation of head leads to Www as the method capitalizes each
-            # word split by a hyphen.
-            # this is fixed in 3.1.0 http://apidock.com/rails/v3.1.0/ActionController/Head/head
-            # remove this switch once on 3.1.0
-            if ::Rails::VERSION::MAJOR == 3 && ::Rails::VERSION::MINOR == 0
-              assert @controller.response.headers.has_key?('Www-Authenticate')
-            else
-              assert @controller.response.headers.has_key?('WWW-Authenticate')
-            end
+            assert response.headers.has_key?('WWW-Authenticate')
           end
         end
       end