Fixed test failures on the group_management.feature for spinach

app/views/projects/project_members/_index.html.haml

@@ -8,7 +8,7 @@
         %strong= @project.name
   .col-lg-9
     .light.prepend-top-default
-      - if can?(current_user, :admin_project_member, @project)
+      - if can?(current_user, :admin_project_member, @project) && !membership_locked?
         = render "projects/project_members/new_project_member"
 
         = render 'shared/members/requests', membership_source: @project, requesters: @requesters

app/views/projects/project_members/_new_project_member.html.haml

@@ -15,4 +15,5 @@
     .help-block.append-bottom-10
       On this date, the member(s) will automatically lose access to this project.
   = f.submit "Add to project", class: "btn btn-create"
+  - if can?(current_user, :admin_project_member, @project) && !membership_locked?
     = link_to "Import", import_namespace_project_project_members_path(@project.namespace, @project), class: "btn btn-default", title: "Import members from another project"