Add first rev of Bitbucket Server importer test

app/models/project.rb

@@ -640,6 +640,8 @@ class Project < ActiveRecord::Base
       project_import_data.credentials ||= {}
       project_import_data.credentials = project_import_data.credentials.merge(credentials)
     end
+
+    project_import_data
   end
 
   def import?

spec/lib/gitlab/bitbucket_server_import/importer_spec.rb

+require 'spec_helper'
+
+describe Gitlab::BitbucketServerImport::Importer do
+  include ImportSpecHelper
+
+  let(:project) { create(:project, import_url: 'http://my-bitbucket') }
+
+  subject { described_class.new(project) }
+
+  before do
+    data = project.create_or_update_import_data(
+      data: { project_key: 'TEST', repo_slug: 'rouge' },
+      credentials: { base_uri: 'http://my-bitbucket', user: 'bitbucket', password: 'test' }
+    )
+    data.save
+    project.save
+  end
+
+  describe '#import_repository' do
+    before do
+      expect(subject).to receive(:import_pull_requests)
+      expect(subject).to receive(:delete_temp_branches)
+    end
+
+    it 'adds a remote' do
+      expect(project.repository).to receive(:fetch_as_mirror)
+                                     .with('http://bitbucket:test@my-bitbucket',
+                                           refmap: [:heads, :tags, '+refs/pull-requests/*/to:refs/merge-requests/*/head'],
+                                           remote_name: 'bitbucket_server')
+
+      subject.execute
+    end
+  end
+
+  describe '#import_pull_requests' do
+
+  end
+
+  describe '#delete_temp_branches' do
+
+  end
+end