Feature/integration tests cleaup

[tomaszmichalak]

Integration tests that use Tasks & Actions (Fragments Handler) and the new Data Bridge HTTP Action.

Description

Knot.x Integration Tests:

• HTTP Actions (both single and composite) & TE
• HTTP Action ending with ERROR and Inline Body Action as Fallback (_error transition)

Motivation and Context

Knot.x Stack should verify integration logic & some behaviour scenarios (like caching / fallbacks / circuit breaker).

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.

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I hereby agree to the terms of the Knot.x Contributor License Agreement.