HDDS-14941. Speed up testRetryMessageShownWhenScmUnavailable

[Gargi-jais11]

What changes were proposed in this pull request?

Speed up TestFailoverWithSCMHA#testRetryMessageShownWhenScmUnavailable, which currently takes 3 minutes.

Current situation:

Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 254.8 s -- in org.apache.hadoop.hdds.scm.TestFailoverWithSCMHA
org.apache.hadoop.hdds.scm.TestFailoverWithSCMHA.testRetryMessageShownWhenScmUnavailable -- Time elapsed: 188.5 s
org.apache.hadoop.hdds.scm.TestFailoverWithSCMHA.testFailover -- Time elapsed: 33.65 s
org.apache.hadoop.hdds.scm.TestFailoverWithSCMHA.testContainerBalancerPersistsConfigurationInAllSCMs -- Time elapsed: 32.63 s

Fix:
Reduced failover attempt count from 599 failover attempts to 3 failover attempts . It takes 111.1s to run the test now.

What is the link to the Apache JIRA

https://issues.apache.org/jira/browse/HDDS-14941

How was this patch tested?

Checked in the CI run for test.

Before Fix:

org.apache.hadoop.hdds.scm.TestFailoverWithSCMHA Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 259.7 s

After Fix:

org.apache.hadoop.hdds.scm.TestFailoverWithSCMHA Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 111.1 s 
org.apache.hadoop.hdds.scm.TestFailoverWithSCMHA.testRetryMessageShownWhenScmUnavailable -- 
Time elapsed: 38.5 s
org.apache.hadoop.hdds.scm.TestFailoverWithSCMHA.testFailover -- Time elapsed: 34.5 s
org.apache.hadoop.hdds.scm.TestFailoverWithSCMHA.testContainerBalancerPersistsConfigurationInAllSCMs -- Time elapsed: 35.63 s

[adoroszlai]

Thanks @Gargi-jais11 for the patch.

https://github.com/Gargi-jais11/ozone/actions/runs/23837170383/job/69486524004#step:13:5955