test: introduce `test-vitest-setup` project to handle test setup for vite tests

[BioPhoton]

Introduce test-vitest-setup project to handle test setup for vite tests

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PR1

• Introduce project test-vitest-setup under the testing folder and add configuration. Copy the example linked below and add potential improvements.
  • adjust coverage.reportDirectory to be at project root (packages/<name>/.coverage)
  • add unit tests
  • use existing types see this comment
  • add minimal docs to the test-vitest-setup project on how to use

Example implementation:

• test-vitest-setup source
• test-vitest-setup usage

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PR1.2

• Extend vitest.{targetName}.config.ts from test-vitest-setup configuration. (consider the changed reportDirectory may be a breaking change for the CI pipeline)
  • unit tests
  • int tests
  • e2e tests

[poltorak]

@BioPhoton PR1 and PR1.2 are covered and at the moment awaiting for your approval.

I'm happy to do next step which is PR2 but I'd need more context what is the actual goal of that

[BioPhoton]

Thx @poltorak for the headsup! Feel free to check the boxes in the issue and link PRs. I will be able to add more information to PR2 until Friday-

[poltorak]

Sorry it took a while, notification got lost somewhere

[BioPhoton]

moved other tasks in #1168