Add behavior test for plcoud

[Xuanwo]

pcloud has been added but no test cover, it's better to add behaivor test for it.

[hoslo]

I can do this, but need a test account.

[Xuanwo]

I can do this, but need a test account.

Perhaps you could register using your Apache email once you obtain one?

[hoslo]

I can do this, but need a test account.

Perhaps you could register using your Apache email once you obtain one?

I registered one, how do I use it in behavior tests?

[Xuanwo]

I registered one, how do I use it in behavior tests?

Please send a mail to private AT opendal.apache.org with title Request for adding secrets pcloud and all secrets values that needed to configure. I will add them in 1password instead.