chore: Fix Durable tasks flaky tests

[javier-aliaga]

Description

The test is checking for the difference in seconds, so when the minute is different the substraction is not working as expected and the test fails

Issue reference

We strive to have all PR being opened based on an issue, where the problem or feature have been discussed prior to implementation.

Please reference the issue this PR will close: #[issue number]

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Extended the documentation

[javier-aliaga]

@dapr/maintainers-java-sdk 🙏

[siri-varma]

Great find. LGTM. Thank you Javier.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.21%. Comparing base (f660eb8) to head (a9515a5).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #1653   +/-   ##
=========================================
  Coverage     79.21%   79.21%           
  Complexity     2141     2141           
=========================================
  Files           234      234           
  Lines          6456     6456           
  Branches        700      700           
=========================================
  Hits           5114     5114           
  Misses          990      990           
  Partials        352      352           

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