chore(tests): add v3 http generators

[JP-Ellis]

📝 Summary

Implement compatibility suite for V3 HTTP Generators.

🚨 Breaking Changes

🔥 Motivation

🔨 Test Plan

🔗 Related issues/PRs

• Resolves: v3/http_generators.feature #1181

[Copilot]

Pull Request Overview

This PR adds documentation sections to test files in the compatibility suite for V3 HTTP Generators, improving code organization and readability through consistent sectioning.

• Adds section headers to organize test functions by their purpose (scenarios, fixtures, given/when/then steps)
• Creates a new test file for V3 HTTP Generators compatibility testing
• Fixes an incorrect section header in the existing V3 generators test file

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
tests/compatibility_suite/test_v4_matching_rules.py	Adds section header to organize scenario definitions
tests/compatibility_suite/test_v3_http_generators.py	New compatibility test file with comprehensive sections for V3 HTTP generators
tests/compatibility_suite/test_v3_generators.py	Corrects section header from "Scenario" to "Given"

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[Copilot]

The section header should be '## Given' but the comment above suggests this section contains scenario definitions, not 'given' steps. Based on the context, this should likely be '## Scenario' or the code organization should be reviewed.