test: Fix inconsistent FileVersion test

[Eideren]

PR Details

This test occasionally fails because the test runner is too slow to process some of the requests, ensured we don't have an arbitrary 500ms timeout.

Related Issue

https://teamcity.stride3d.net/buildConfiguration/Engine_Tests_WindowsSimple/25340?expandBuildDeploymentsSection=false&hideTestsFromDependencies=false&expandBuildTestsSection=true&hideProblemsFromDependencies=false&expandBuildProblemsSection=true&expandBuildChangesSection=true

Types of changes

• Docs change / refactoring / dependency upgrade
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• My change requires a change to the documentation.
• I have added tests to cover my changes.
• All new and existing tests passed.
• I have built and run the editor to try this change out.

[Eideren]

Thanks for reviewing @manio143 - merging this in