test: Fix login from opening URLs automatically

[kylecarbs]

When using VS Code's test on save, this was funny behavior 🤣.

[codecov]

Codecov Report

Merging #334 (ac74c5e) into main (693f457) will increase coverage by 0.39%.
The diff coverage is 57.14%.

@@            Coverage Diff             @@
##             main     #334      +/-   ##
==========================================
+ Coverage   67.31%   67.70%   +0.39%     
==========================================
  Files         142      142              
  Lines        7706     7710       +4     
  Branches       77       77              
==========================================
+ Hits         5187     5220      +33     
+ Misses       1986     1967      -19     
+ Partials      533      523      -10     

Flag	Coverage Δ
unittest-go-macos-latest	66.51% <57.14%> (+0.41%)	⬆️
unittest-go-ubuntu-latest	67.75% <57.14%> (+0.37%)	⬆️
unittest-go-windows-2022	65.69% <57.14%> (-0.14%)	⬇️
unittest-js	63.61% <ø> (ø)

Impacted Files	Coverage Δ
cli/root.go	84.61% <50.00%> (-1.00%)	⬇️
cli/login.go	55.23% <60.00%> (-5.24%)	⬇️
provisionerd/provisionerd.go	70.11% <0.00%> (+0.78%)	⬆️
coderd/provisionerdaemons.go	58.87% <0.00%> (+1.20%)	⬆️
peerbroker/listen.go	84.80% <0.00%> (+2.39%)	⬆️
peer/conn.go	81.84% <0.00%> (+6.90%)	⬆️

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[jawnsy]

Seems reasonable