fix test arguments for oracledatabase_cloudexadatainfrastructure

[tulika-aakriti]

Part of: hashicorp/terraform-provider-google#19701

we create fake resources for tests i.e prefix ofake for ids. Remove that from documentation and override it later for tests.

Release Note Template for Downstream PRs (will be copied)

`google_oracle_database_cloud_exadata_infrastructure`

[github-actions]

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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.

google provider: Diff ( 2 files changed, 14 insertions(+), 12 deletions(-))
google-beta provider: Diff ( 2 files changed, 14 insertions(+), 12 deletions(-))
Open in Cloud Shell: Diff ( 2 files changed, 4 insertions(+), 4 deletions(-))

[modular-magician]

Tests analytics

Total tests: 3
Passed tests: 1
Skipped tests: 0
Affected tests: 2

Click here to see the affected service packages

• oracledatabase

Action taken

Found 2 affected test(s) by replaying old test recordings. Starting RECORDING based on the most recent commit. Click here to see the affected tests

• TestAccOracleDatabaseCloudExadataInfrastructure_oracledatabaseCloudExadataInfrastructureBasicExample
• TestAccOracleDatabaseCloudExadataInfrastructure_oracledatabaseCloudExadataInfrastructureFullExample

Get to know how VCR tests work

[modular-magician]

🟢 Tests passed during RECORDING mode:
TestAccOracleDatabaseCloudExadataInfrastructure_oracledatabaseCloudExadataInfrastructureBasicExample[Debug log]
TestAccOracleDatabaseCloudExadataInfrastructure_oracledatabaseCloudExadataInfrastructureFullExample[Debug log]

🟢 No issues found for passed tests after REPLAYING rerun.

---

🟢 All tests passed!

View the build log or the debug log for each test