Name dataloader when returned in test_dataloader of LightningDataModule
🚀 Feature
The ability that one can name dataloader when returned in test_dataloader() of LightningDataModule.
Motivation
I may want to access the name of current dataloader's name when I have multiple dataloader returned from test_dataloader(), so that I can save my test results according to this speccific name.
Pitch

Alternatives

Additional context