samples(healthcare API): add samples and tests for v1 FHIR profiles

[noerog]

Description

Part of fix for b/240609370.

Note: Before submitting a pull request, please open an issue for discussion if you are not associated with Google.

Checklist

• I have followed Sample Guidelines from AUTHORING_GUIDE.MD
• README is updated to include all relevant information
• Tests pass: nox -s py-3.9 (see Test Environment Setup)
• Lint pass: nox -s lint (see Test Environment Setup)
• Please merge this PR for me once it is approved.

[snippet-bot]

Here is the summary of changes.

You are about to add 6 region tags.

• healthcare/api-client/v1/fhir/fhir_resources.py:20, tag healthcare_create_resource_from_file
• healthcare/api-client/v1/fhir/fhir_resources.py:1039, tag healthcare_create_implementation_guide
• healthcare/api-client/v1/fhir/fhir_resources.py:1105, tag healthcare_enable_implementation_guide
• healthcare/api-client/v1/fhir/fhir_resources.py:1171, tag healthcare_create_structure_definition
• healthcare/api-client/v1/fhir/fhir_resources.py:1237, tag healthcare_resource_validate
• healthcare/api-client/v1/fhir/fhir_resources.py:1312, tag healthcare_resource_validate_profile_url

---

This comment is generated by snippet-bot.
If you find problems with this result, please file an issue at:
https://github.com/googleapis/repo-automation-bots/issues.
To update this comment, add snippet-bot:force-run label or use the checkbox below:

• Refresh this comment

[parthea]

LGTM

[engelke]

LGTM