chore(build): increase timeout on flaky unit tests

[thisisabhash]

Issue #

Unit test workflow keeps failing for a few tests.
https://github.com/aws-amplify/amplify-swift/actions/workflows/deploy_unstable.yml

Description

Increasing timeouts on following tests which keep failing on CI/CD but pass on local machines.

AmplifyPlugins/Logging/Tests/AWSCloudWatchLoggingPluginTests/AWSCloudWatchLoggingMonitorTests.swift
- testDelegateIsInvokedOnInterval()

AmplifyPlugins/Logging/Tests/AWSCloudWatchLoggingPluginTests/AWSCloudWatchLoggingSessionControllerTests.swift
- testConsumeFailureSendsHubEvent()

AmplifyPlugins/Storage/Tests/AWSS3StoragePluginTests/Support/Internal/DefaultStorageTransferDatabaseTests.swift
- func testLoadPersistableTasks()
- func testPrepareForBackground()

General Checklist

• Added new tests to cover change, if needed
• Build succeeds with all target using Swift Package Manager
• All unit tests pass
• All integration tests pass
• Security oriented best practices and standards are followed (e.g. using input sanitization, principle of least privilege, etc)
• Documentation update for the change if required
• PR title conforms to conventional commit style
• New or updated tests include Given When Then inline code documentation and are named accordingly testThing_condition_expectation()
• If breaking change, documentation/changelog update with migration instructions

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 67.93%. Comparing base (1d60201) to head (3008d01).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4046      +/-   ##
==========================================
+ Coverage   67.80%   67.93%   +0.13%     
==========================================
  Files        1129     1129              
  Lines       52482    52482              
==========================================
+ Hits        35583    35656      +73     
+ Misses      16899    16826      -73     

Flag	Coverage Δ
API_plugin_unit_test	70.33% <ø> (ø)
AWSPluginsCore	69.25% <ø> (ø)
Amplify	47.93% <ø> (ø)
Analytics_plugin_unit_test	85.20% <ø> (ø)
Auth_plugin_unit_test	73.63% <ø> (-0.02%)	⬇️
DataStore_plugin_unit_test	84.19% <ø> (+0.84%)	⬆️
Geo_plugin_unit_test	74.86% <ø> (ø)
Logging_plugin_unit_test	65.27% <ø> (ø)
Predictions_plugin_unit_test	34.77% <ø> (ø)
PushNotifications_plugin_unit_test	88.43% <ø> (ø)
Storage_plugin_unit_test	79.39% <ø> (ø)
unit_tests	67.93% <ø> (+0.13%)	⬆️

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