Travis is not going to automatically offer the free tier for all open source projects; We likely want o migrate away from travis.

Setting up github actions to replace travis would be a welcomed contribution.

Currently, we run our internal_ssl tests by re-running several test modules with ssl_enabled = True. There's a lot of redundant testing going on here, since only a small subset of these tests are covering additional functionality the second time they run.

I see two ways to improve things:

1. (probably simplest, easiest to keep good coverage) remove the duplicate internal_ssl_* test files

Hi,

In regard to @n-riesco 's comment "please could you also confirm that the file %APPDATA%\jupyter\kernels\javascript\kernel.json":
I don't seem to have the folder kernels. (I guess that explains why Atom says it can't find the kernels?)

regarding the instructions on [https://

At the moment the user has to press Ctrl (or a different modifier key if changed in settings) to bring up the hover tooltip. We could allow specifying a delay as an alternative/additional activation method. This is how it is implemented in VScode I think.

Sketch for setting chema:

"delay": {
  "title": "Hover delay",
  "type": ["number", "null"],
  "default": 300,
  "