Takeover of PR #388 (Scope NUnit parallelization to generated classes instead of assembly-level)

[gasparnagy]

🤔 What's changed?

Taken over from #388, see details there

• Removed assembly-wide attribute declaring parallelization to be InstancePerTestCase (not the NUnit default)
• Add the attribute to the generated classes.

⚡️ What's your motivation?

Fixes #379

🏷️ What kind of change is this?

• 🐛 Bug fix (non-breaking change which fixes a defect)

♻️ Anything particular you want feedback on?

📋 Checklist:

• I've changed the behaviour of the code
  • I have added/updated tests to cover my changes.
• My change requires a change to the documentation.
  • I have updated the documentation accordingly.
• Users should know about my change
  • I have added an entry to the "[vNext]" section of the CHANGELOG, linking to this pull request & included my GitHub handle to the release contributors list.

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[clrudolphi]

Should we replace the use of these custom functions with the more idiomatic form of
CodeTypeReference?

Example: new CodeTypeReference(typeof(Io.Cucumber.Messages.Types.Source), CodeTypeReferenceOptions.GlobalReference);

I've not verified that this works properly for VB generation but I would presume that it does.

[gasparnagy]

Oh. That's a good hint. I didn't know that that exists. We can try it in a new PR...

[clrudolphi]

I've not verified that this works properly for VB generation but I would presume that it does.

Added a test to Messages for code gen using VB and this form of the CodeTypeReference api works as expected.
We should switch over to it as the custom function we have today for globalizing type names doesn't support VB.

I volunteer to draft the PR, but can wait until after this PR goes in.

[TotalTest]

Hey @gasparnagy is there a timeframe of when this will be released?

[dqwork]

On the original issue they said early 'next' (ie now this) week
#379 (comment)