Improve tunnel state test

[raksooo]

This PR improves the tunnel state test by:

• Splitting out OpenVPN specific tests to a separate file
• Removes some redundant OpenVPN tests
• Better matches the "In" label in the connection panel

---

This change is 

[Serock3]

Sorry for being so slow to respond to this PR! Completely missed it

Reviewed 3 of 3 files at r1, 1 of 1 files at r2, 1 of 1 files at r3, 1 of 1 files at r4, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion

---

.github/workflows/git-commit-message-style.yml line 37 at r4 (raw file):

          max-subject-line-length: '72'
          # The action's wordlist is a bit short. Add more accepted verbs
          additional-verbs: 'tidy, wrap, obfuscate, bias, prohibit, forbid, revert, slim'

Good! I should do this more often too, instead of submitting to the tyranny of the commit style check :shaking-angry-fist:

---

test/test-manager/src/tests/ui.rs line 129 at r1 (raw file):

) -> anyhow::Result<()> {
    // openvpn-tunnel-state.spec precondition: OpenVPN needs to be selected
    let query = RelayQueryBuilder::new().openvpn().build();

This is going to pick a random OpenVPN relay globally. We should probably either hard-code it to sweden, or try to apply the specific custom list for this that is specified in the config file (the new way we whitelist relays).

[raksooo]

Reviewed 1 of 1 files at r5.
Reviewable status: 3 of 4 files reviewed, 1 unresolved discussion

[raksooo]

Reviewed all commit messages.
Reviewable status: 3 of 4 files reviewed, 1 unresolved discussion

[Serock3]

Reviewed all commit messages.
Reviewable status: 3 of 4 files reviewed, all discussions resolved (waiting on @raksooo)

[MarkusPettersson98]

Reviewed 1 of 3 files at r1, 1 of 1 files at r2, 1 of 1 files at r3, 1 of 1 files at r4, 1 of 1 files at r5, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved