test: fix resiliency race condition

[dexturr]

There was a race condition where if there server did not start before the test ran no healthy node could be found resulting in errors. We now only navigate to the app after we have started the server to prevent this happening.

Refactored the files so that each set of resiliency behaviour in it's own file

[github-actions[bot]]

Here is your approbation coverage BEFORE this PR:

*Criteria*: 224  *Covered*: 218  *by/FeatTest*: -  *by/SysTest*: -  *Uncovered*: 6  *Coverage*: 97.3%

Here is your approbation coverage AFTER this PR:

*Criteria*: 224  *Covered*: 218  *by/FeatTest*: -  *by/SysTest*: -  *Uncovered*: 6  *Coverage*: 97.3%

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AC Diff Report:

There are no changes to AC coverage %, please note any new coverage is ignored by this report IF it retains 100% coverage for the given file.

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

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