fn()
			return nil
		}, noskip: true})
	default:
		// No cleanup.
		return
	}
}

// topLevelScopes walks up the tree to find all "top level" or "container"
// scopes. We always want to dump the resources created at the "top level" when
// their descendant scopes fail.
func (c *testContext) topLevelScopes() []*scope {
	var out []*scope
	current := c.scope.parent
	for current != nil {
		if current.topLevel {