Created game server rollout data source

[edwardmedia]

Fixes hashicorp/terraform-provider-google#6463

Release Note Template for Downstream PRs (will be copied)

google_game_services_game_server_deployment_rollout (beta only)

[modular-magician]

Hello! I am a robot who works on Magic Modules PRs.

I have detected that you are a community contributor, so your PR will be assigned to someone with a commit-bit on this repo for initial review.

Thanks for your contribution! A human will be with you soon.

@danawillow, please review this PR or find an appropriate assignee.

[modular-magician]

Hi! I'm the modular magician. Your PR generated some diffs in downstreams - here they are.

Diff report:

Terraform GA: Diff ( 4 files changed, 90 insertions(+))
Terraform Beta: Diff ( 5 files changed, 289 insertions(+), 69 deletions(-))

[danawillow]

The data source itself looks good! Had some comments on the tests/docs.

[modular-magician]

Hi! I'm the modular magician. Your PR generated some diffs in downstreams - here they are.

Diff report:

Terraform GA: Diff ( 4 files changed, 90 insertions(+))
Terraform Beta: Diff ( 5 files changed, 251 insertions(+), 69 deletions(-))

[modular-magician]

Hi! I'm the modular magician. Your PR generated some diffs in downstreams - here they are.

Diff report:

Terraform GA: Diff ( 4 files changed, 90 insertions(+))
Terraform Beta: Diff ( 5 files changed, 251 insertions(+), 69 deletions(-))

[modular-magician]

Hi! I'm the modular magician. Your PR generated some diffs in downstreams - here they are.

Diff report:

Terraform GA: Diff ( 4 files changed, 90 insertions(+))
Terraform Beta: Diff ( 5 files changed, 251 insertions(+), 69 deletions(-))

[danawillow]

Test currently fails:

------- Stdout: -------
=== RUN   TestAAccDataSourceGameServicesGameServerDeploymentRollout_basic
=== PAUSE TestAAccDataSourceGameServicesGameServerDeploymentRollout_basic
=== CONT  TestAAccDataSourceGameServicesGameServerDeploymentRollout_basic
TestAAccDataSourceGameServicesGameServerDeploymentRollout_basic: testing.go:674: Step 0 error: Check failed: Check 1/1 error: default_game_server_config is ; want projects/ci-test-project-188019/locations/global/gameServerDeployments/tf-test-deployment-8y7vmsgrfv/configs/tf-test-config-8y7vmsgrfv
--- FAIL: TestAAccDataSourceGameServicesGameServerDeploymentRollout_basic (66.65s)
FAIL

[modular-magician]

Hi! I'm the modular magician. Your PR generated some diffs in downstreams - here they are.

Diff report:

Terraform GA: Diff ( 4 files changed, 90 insertions(+))
Terraform Beta: Diff ( 5 files changed, 251 insertions(+), 69 deletions(-))

[modular-magician]

Hi! I'm the modular magician. Your PR generated some diffs in downstreams - here they are.

Diff report:

Terraform GA: Diff ( 4 files changed, 90 insertions(+))
Terraform Beta: Diff ( 5 files changed, 251 insertions(+), 69 deletions(-))