fixed failing specs

lib/gitlab/import_url.rb

@@ -20,7 +20,7 @@ module Gitlab
     private
 
     def generate_full_url
-      return @url unless credentials
+      return @url unless valid_credentials?
       @full_url = @url.dup
       @full_url.user = credentials[:user]
       @full_url.password = credentials[:password]
@@ -33,5 +33,9 @@ module Gitlab
       safe_url.user = nil
       safe_url
     end
+
+    def valid_credentials?
+      credentials && credentials.is_a?(Hash) && credentials.any?
+    end
   end
 end

spec/factories/project_import_data.rb

 FactoryGirl.define do
   factory :project_import_data, class: ProjectImportData do
     data "test"
+    project
   end
 end