O3 - 2199 : Add BDD steps on tests

[dilankavishka]

Requirements

• This PR has a title that briefly describes the work done, including the ticket number if there is a ticket.
• My work conforms to the OpenMRS 3.0 Styleguide.
• I checked for feature overlap with existing widgets.

Summary

This PR enhances the existing End-to-End (E2E) tests by incorporating Behavior-Driven Development (BDD) steps using Gherkin syntax. The modifications utilize Playwright's test.step function to organize the test scenarios into well-defined steps, making the test suite more readable and aligned with BDD principles.

Screenshots

Updated changes.

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Issue

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Other

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[dilankavishka]

@Piumal1999 @jayasanka-sack Please review this PR.

[dilankavishka]

@Piumal1999 I committed the suggestions. can you please review this?

[Piumal1999]

Hi @dilankavishka,
There are some indentation issues. Could you please reformat the code?

[dilankavishka]

@Piumal1999 Done with the issue. can you please review this?

[dilankavishka]

@Piumal1999 Done with the suggestions.

[denniskigen]

This is very close, @dilankavishka. Do you have the bandwidth to wrap it up?

[dilankavishka]

@jayasanka-sack I found this that I uncompleted this PR. Let me complete this soon.

[dilankavishka]

@jayasanka-sack I made some changes for this. Could you please review this again?

[jayasanka-sack]

Thanks @dilankavishka!

One last thing, remove all unused functions from the page file in ../pages.

Ex: openConceptLabPage.addOclSubscription();

[dilankavishka]

@jayasanka-sack Made the changes.