Bring test coverage to 82,5 %

[MizukiTemma]

Motivation

As a part of our "Zero bug policy" let us increase the test coverage continueing from #2492

Proposed Solution

Goal for the end of March 2024: 82,5% Current coverage:

Alternatives

User Story

Additional Context

For more information see #2492 The goal percentage can be adjusted after all the test related PRs are closed that are currently open.

Design Requirements

[MizukiTemma]

Please leave comments here which part will be worked on, when you start, to avoid multiple people working on the same parts.

[JoeyStk]

Peter and I decided to write tests for page_form_view.py :).

[seluianova]

@MariaKabanova and I will take hix.py & textlab_api_client.py & hix_signals.py

[MizukiTemma]

I'll take language tree.

[MizukiTemma]

Sorry, closed accidentally by my latest PR. Still 0,5% to go 😅

[seluianova]

0,4% to go :)

[JoeyStk]

And we're back to 81,7% :sweat_smile:

[timobrembeck]

And we're back to 81,7% 😅

Well, that's on me :innocent: And will be fixed with #2772 hopefully.

[MizukiTemma]

I hope #2696 will bring it up again 👀

[MizukiTemma]

We've reached 82,5% 🎉

Let's keep this good coverage 😸