[Bug] Test of Vid4 datasets bug

[Z-Fran]

Prerequisite

• I have searched Issues and Discussions but cannot get the expected help.
• I have read the FAQ documentation but cannot get the expected help.
• The bug has not been fixed in the latest version.

Task

I'm using the official example scripts/configs for the officially supported tasks/models/datasets.

Environment

MMEditing 1.0.0rc1

Reproduces the problem - code sample

Test of Vid4 datasets isn't fully, which leads to low PSNR.

Reproduces the problem - command or script

python tools/test.py configs/basicvsr/basicvsr_2xb4_vimeo90k-bd.py https://download.openmmlab.com/mmediting/restorers/basicvsr/basicvsr_vimeo90k_bd_20210409-0154dd64.pth

Reproduces the problem - error message

low PSNR result

Additional information

No response