public async Task GetStages_always_shouldRetrieveStageFromBuilder()
{
// Arrange
var stageBuilder = new Mock <IStageBuilder>();
var costStageRevisionId = Guid.NewGuid();
_stageBuilders.Add(new Lazy <IStageBuilder, PluginMetadata>(
() => stageBuilder.Object, new PluginMetadata {
BuType = BuType.Pg
}));
// Act
await _service.GetAllStages(BuType.Pg, costStageRevisionId);
// Assert
stageBuilder.Verify(b => b.GetStages(costStageRevisionId), Times.Once);
}