fix: Use fully qualified error name
nested_behavior
block is executed in the scope of experiment instance, and thus NestingError
will not be expanded to Gitlab::Experiment::NestingError
unless it's an instance of Gitlab::Experiment
itself.
nested_behavior
block is executed in the scope of experiment instance, and thus NestingError
will not be expanded to Gitlab::Experiment::NestingError
unless it's an instance of Gitlab::Experiment
itself.