dev: split integration tests into multiple files 🔨

[MdTeach]

Pull Request type

Please add the labels corresponding to the type of changes your PR introduces:

• Testing

What is the current behavior?

Resolves: #824

What is the new behavior?

• Splits the integration tests within multiple files

Does this introduce a breaking change?

No

Other information

Initially while defining the test case each test case defined with describeDevMadara("test case", ()=>{....}) would run the new instance of the server. With this, each test file would run a new instance of Madara.

To mitigate this server is initiated before running any test cases. In some cases, if the test suite needs a new instance of the server then it can be achieved with describeDevMadara("test case", ()=>{....}, { runNewNode: true })

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (67c992d) 41.72% compared to head (5361151) 41.72%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #836   +/-   ##
=======================================
  Coverage   41.72%   41.72%           
=======================================
  Files          86       86           
  Lines       10686    10686           
  Branches    10686    10686           
=======================================
  Hits         4459     4459           
  Misses       5662     5662           
  Partials      565      565           

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[AbdelStark]

lgtm