Resolve CE/EE diffs in new proj member import

Part of single codebase changes.

app/helpers/projects_helper.rb

@@ -315,6 +315,10 @@ module ProjectsHelper
     ) % { default_label: default_label }
   end
 
+  def can_import_members?
+    Ability.allowed?(current_user, :admin_project_member, @project)
+  end
+
   private
 
   def get_project_nav_tabs(project, current_user)

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

@@ -19,4 +19,5 @@
           = text_field_tag :expires_at, nil, class: 'form-control js-access-expiration-date', placeholder: 'Expiration date'
           %i.clear-icon.js-clear-input
       = f.submit _("Add to project"), class: "btn btn-success qa-add-member-button"
-      = link_to _("Import"), import_project_project_members_path(@project), class: "btn btn-default", title: _("Import members from another project")
+      - if can_import_members?
+        = link_to _("Import"), import_project_project_members_path(@project), class: "btn btn-default", title: _("Import members from another project")

spec/helpers/projects_helper_spec.rb

@@ -799,4 +799,24 @@ describe ProjectsHelper do
       it { is_expected.to eq(result) }
     end
   end
+
+  describe '#can_import_members?' do
+    let(:project) { create(:project) }
+    let(:user) { create(:user) }
+    let(:owner) { project.owner }
+
+    before do
+      helper.instance_variable_set(:@project, project)
+    end
+
+    it 'returns false if user cannot admin_project_member' do
+      allow(helper).to receive(:current_user) { user }
+      expect(helper.can_import_members?).to eq false
+    end
+
+    it 'returns true if user can admin_project_member' do
+      allow(helper).to receive(:current_user) { owner }
+      expect(helper.can_import_members?).to eq true
+    end
+  end
 end