Updating Test Files

[dhawal-msft]

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Description

Test file update for some mock data to be added

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[Copilot]

Pull Request Overview

This PR updates test files to replace sensitive SharedAccessKey values with mock data for security purposes.

• Replaces actual SharedAccessKey values with standardized mock keys in test files
• Ensures sensitive credentials are not exposed in the codebase
• Maintains consistent mock data format across all test files

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
MSNotificationHubTemplatesTests.m	Updates SharedAccessKey to use mock value
MSNotificationHubTagsTests.m	Updates SharedAccessKey to use mock value
MSInstallationManagerTests.m	Updates SharedAccessKey to use mock value

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[pranav-gupta-msft]

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[dhawal-msft]

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[dhawal-msft]

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