Run e2e tests locally without spinning smtp servers

[cstns]

Description

add the ability to run e2e tests locally without spinning the docker smtp server processes

Related Issue(s)

Checklist

• [x] I have read the contribution guidelines
• [ ] Suitable unit/system level tests have been added and they pass
• [ ] Documentation has been updated
  • [ ] Upgrade instructions
  • [ ] Configuration details
  • [ ] Concepts
• [ ] Changes flowforge.yml?
  • [ ] Issue/PR raised on FlowFuse/helm to update ConfigMap Template
  • [ ] Issue/PR raised on FlowFuse/CloudProject to update values for Staging/Production

Labels

• [ ] Includes a DB migration? -> add the area:migration label

[cstns]

the only downside to this approach is that e2e tests that require the smtp server will always fail locally when running the cy:web-server-light script

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 77.31%. Comparing base (fd4b836) to head (4ec8fe7). Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4147   +/-   ##
=======================================
  Coverage   77.31%   77.31%           
=======================================
  Files         350      350           
  Lines       16583    16583           
  Branches     3865     3865           
=======================================
  Hits        12821    12821           
  Misses       3762     3762           

Flag	Coverage Δ
backend	77.31% <ø> (ø)

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[Steve-Mcl]

the only downside to this approach is that e2e tests that require the smtp server will always fail locally when running the cy:web-server-light script

Could the same env var not be used to .skip the failing tests?

[cstns]

closing, handled differently in https://github.com/FlowFuse/flowfuse/pull/5457