Add vitest tests to Gitpod (#21449)
Add vitest tests to Gitpod (#21449)

The vitest PR is merged, we can now add vitest to Gitpod's testing pane
* #21444

We couldn't use jest in the same manner because we had to customize
`NODE_OPTIONS`.

Screenshot (look at all the cool stuff circled in red):

![image](https://user-images.githubusercontent.com/20454870/195728971-9a2eaa80-8d91-4e4f-899b-a068edb9ff30.png)

Signed-off-by: Yarden Shoham <0b3acf1045a60ccc22a11aaedae8f612108f28a6@gmail.com>
go-gitea/gitea,go-gitea/gitea,go-gitea/gitea