Add tests to reopen MR

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

features/project/merge_requests.feature

@@ -29,6 +29,13 @@ Feature: Project Merge Requests
     And I click link "Close"
     Then I should see closed merge request "Bug NS-04"
 
+  Scenario: I reopen merge request page
+    Given I click link "Bug NS-04"
+    And I click link "Close"
+    Then I should see closed merge request "Bug NS-04"
+    When I click link "Reopen"
+    Then I should see reopened merge request "Bug NS-04"
+
   Scenario: I submit new unassigned merge request
     Given I click link "New Merge Request"
     And I submit new merge request "Wiki Feature"

features/steps/project/project_merge_requests.rb

@@ -170,6 +170,18 @@ class ProjectMergeRequests < Spinach::FeatureSteps
     end
   end
 
+  step 'I click link "Reopen"' do
+    within '.page-title' do
+      click_link "Reopen"
+    end
+  end
+
+  step 'I should see reopened merge request "Bug NS-04"' do
+    within '.state-label' do
+      page.should have_content "Open"
+    end
+  end
+
   def project
     @project ||= Project.find_by!(name: "Shop")
   end