Fix the #change_repository_storage tests to take account of schema changes in...

Fix the #change_repository_storage tests to take account of schema changes in https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/9597

spec/models/project_spec.rb

@@ -1962,7 +1962,11 @@ describe Project, models: true do
       FileUtils.mkdir('tmp/tests/storage_a')
       FileUtils.mkdir('tmp/tests/storage_b')
 
-      storages = { 'a' => 'tmp/tests/storage_a', 'b' => 'tmp/tests/storage_b' }
+      storages = {
+        'a' => { 'path' => 'tmp/tests/storage_a' },
+        'b' => { 'path' => 'tmp/tests/storage_b' },
+      }
+
       allow(Gitlab.config.repositories).to receive(:storages).and_return(storages)
     end