Fix labels related tests

[zli82016]

Passed tests:

TestAccCloudRunService_withProviderDefaultLabels

TestAccCloudRunServiceMigration_withLabels

TestAccContainerCluster_withProviderDefaultLabels

Release Note Template for Downstream PRs (will be copied)

[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 ( 3 files changed, 21 insertions(+), 14 deletions(-))
google-beta provider: Diff ( 3 files changed, 21 insertions(+), 14 deletions(-))

[modular-magician]

Tests analytics

Total tests: 270
Passed tests: 225
Skipped tests: 45
Affected tests: 0

Click here to see the affected service packages

• cloudrun
• container
• dataflow

$\textcolor{green}{\textsf{All tests passed!}}$

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