Remove test from quarantine

Removing test from quarantine by deleting the tag.
Updated to use api for merge request creation.
Added api path to mr resource with project push.

qa/qa/resource/merge_request.rb

@@ -5,7 +5,8 @@ require 'securerandom'
 module QA
   module Resource
     class MergeRequest < Base
-      attr_accessor :title,
+      attr_accessor :id,
+                    :title,
                     :description,
                     :source_branch,
                     :target_branch,
@@ -71,6 +72,28 @@ module QA
           page.create_merge_request
         end
       end
+
+      def fabricate_via_api!
+        populate(:target, :source)
+        super
+      end
+
+      def api_get_path
+        "/projects/#{project.id}/merge_requests/#{id}"
+      end
+
+      def api_post_path
+        "/projects/#{project.id}/merge_requests"
+      end
+
+      def api_post_body
+        {
+          description: @description,
+          source_branch: @source_branch,
+          target_branch: @target_branch,
+          title: @title
+        }
+      end
     end
   end
 end

qa/qa/specs/features/browser_ui/3_create/merge_request/view_merge_request_diff_patch_spec.rb

 # frozen_string_literal: true
 
 module QA
-  # https://gitlab.com/gitlab-org/quality/staging/issues/55
-  context 'Create', :quarantine do
+  context 'Create' do
     describe 'Download merge request patch and diff' do
       before(:context) do
         Runtime::Browser.visit(:gitlab, Page::Main::Login)
         Page::Main::Login.perform(&:sign_in_using_credentials)
 
-        @merge_request = Resource::MergeRequest.fabricate! do |merge_request|
+        project = Resource::Project.fabricate_via_api! do |project|
+          project.name = 'project'
+        end
+
+        @merge_request = Resource::MergeRequest.fabricate_via_api! do |merge_request|
+          merge_request.project = project
           merge_request.title = 'This is a merge request'
-          merge_request.description = 'For downloading patches and diffs'
+          merge_request.description = '... for downloading patches and diffs'
         end
       end
 
-      it 'user views merge request email patches' do
+      it 'views the merge request email patches' do
         @merge_request.visit!
         Page::MergeRequest::Show.perform(&:view_email_patches)
 
@@ -23,7 +27,7 @@ module QA
         expect(page).to have_content('diff --git a/added_file.txt b/added_file.txt')
       end
 
-      it 'user views merge request plain diff' do
+      it 'views the merge request plain diff' do
         @merge_request.visit!
         Page::MergeRequest::Show.perform(&:view_plain_diff)