[TECHDEBT] [P2P] Raintree test suite improvements: Add configurations tests for dead and partially visible nodes

[deblasis]

Objective

Tend to this TODO:

./p2p/module_raintree_test.go:// TODO(olshansky): Add configurations tests for dead and partially visible nodes

Clarify scope and update below

Origin Document

[ Why? Issue justification and/or link to another document]

Goals

• _REPLACE_ME: List of things that are high level ideas or goals driving the task
• ...

Deliverable

• _REPLACE_ME: List of things that are concrete deliverables
• ...

Non-goals / Non-deliverables

• _REPLACE_ME: List of things that are out of scope
• ...

General issue deliverables

• Update the appropriate CHANGELOG
• Update any relevant READMEs (local and/or global)
• Update any relevant global documentation & references
• If applicable, update the source code tree explanation
• If applicable, add or update a state, sequence or flowchart diagram using mermaid

[Optional] Testing Methodology

• _REPLACE_ME: Make sure to update the testing methodology appropriately_
• Task specific tests: make ...
• All tests: make test_all
• LocalNet: verify a LocalNet is still functioning correctly by following the instructions at docs/development/README.md

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Creator: @deblasis
Co-Owners: @Olshansk

[Olshansk]

This is blocked by #179, but once 179 is in, the goal is to update the testing suite to support the following test case:

[Olshansk]

@andrewnguyen22 Is this something you're working on as part of RainTree cleanup & redundancy?