Changes for E2E Testing of Resource Creation

[v-shahzad]

Description

Created an end-to-end (E2E) testing class for R4 resource creation.
Added a folder named TestFiles within the E2E project for R4, and populated it with sample JSON files downloaded from HL7.

Related issues

Addresses AB# 143833

Testing

Tested the test case for two sample files Account-example and Appointment example. It is working fine for both CosmosDb and SQL server.

FHIR Team Checklist

• Update the title of the PR to be succinct and less than 65 characters
• Add a milestone to the PR for the sprint that it is merged (i.e. add S47)
• Tag the PR with the type of update: Bug, Build, Dependencies, Enhancement, New-Feature or Documentation
• Tag the PR with Open source, Azure API for FHIR (CosmosDB or common code) or Azure Healthcare APIs (SQL or common code) to specify where this change is intended to be released.
• Tag the PR with Schema Version backward compatible or Schema Version backward incompatible or Schema Version unchanged if this adds or updates Sql script which is/is not backward compatible with the code.
• When changing or adding behavior, if your code modifies the system design or changes design assumptions, please create and include an ADR.
• CI is green before merge
• Review squash-merge requirements

Semver Change (docs)

Patch|Skip|Feature|Breaking (reason)

[v-rachitsh]

/azp run

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