add compute healthcheck tests

[kotarsky]

adding new tests for compute.googleapis.com/HealthCheck

compute: added testes field to `compute.googleapis.com/HealthCheck` resource

[github-actions[bot]]

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[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes:

Diff report

Your PR generated some diffs in downstreams - here they are.

terraform-google-conversion: Diff ( 4 files changed, 54 insertions(+))

[sushant00]

Let us update the title according to the recommended format like "Add support for google_compute_autoscaler to TGC"

[kotarsky]

Let us update the title according to the recommended format like "Add support for google_compute_autoscaler to TGC"

@rileykarson changes to title made