Merge branch 'qa-staging-15-use-existing-users-ce' into 'master'

CE port of "qa-staging-15-use-existing-users-ee"

See merge request gitlab-org/gitlab-ce!22864

qa/qa/resource/user.rb

@@ -76,6 +76,17 @@ module QA
         }
       end
 
+      def self.fabricate_or_use(username, password)
+        if Runtime::Env.signup_disabled?
+          self.new.tap do |user|
+            user.username = username
+            user.password = password
+          end
+        else
+          self.fabricate!
+        end
+      end
+
       private
 
       def fetch_id(username)

qa/qa/runtime/env.rb

@@ -75,6 +75,22 @@ module QA
         ENV['GITLAB_FORKER_PASSWORD']
       end
 
+      def gitlab_qa_username_1
+        ENV['GITLAB_QA_USERNAME_1'] || 'gitlab-qa-user1'
+      end
+
+      def gitlab_qa_password_1
+        ENV['GITLAB_QA_PASSWORD_1']
+      end
+
+      def gitlab_qa_username_2
+        ENV['GITLAB_QA_USERNAME_2'] || 'gitlab-qa-user2'
+      end
+
+      def gitlab_qa_password_2
+        ENV['GITLAB_QA_PASSWORD_2']
+      end
+
       def ldap_username
         ENV['GITLAB_LDAP_USERNAME']
       end

qa/qa/specs/features/browser_ui/1_manage/project/add_project_member_spec.rb

@@ -7,7 +7,7 @@ module QA
         Runtime::Browser.visit(:gitlab, Page::Main::Login)
         Page::Main::Login.perform(&:sign_in_using_credentials)
 
-        user = Resource::User.fabricate!
+        user = Resource::User.fabricate_or_use(Runtime::Env.gitlab_qa_username_1, Runtime::Env.gitlab_qa_password_1)
 
         project = Resource::Project.fabricate! do |resource|
           resource.name = 'add-member-project'