Fix stack trace print during TlsUtilsTest

[no2chem]

Overview

Description: This PR fixes an issue where TlsUtilsTest prints stack traces even though the tests pass.

Why should this be merged: Tests should not print stack traces - this PR resolves the issue with the test.

Related issue(s) (if applicable): #1063

Checklist (Definition of Done):

• There are no TODOs left in the code
• Coding conventions (e.g. for logging, unit tests) have been followed
• Change is covered by automated tests
• Public API has Javadoc

[coveralls]

Changes Unknown when pulling 5f7b71a on TlsUtilsStacktrace into ** on master**.

[corfudb-performance]

Results automatically generated by CorfuDB Benchmark Framework to assess the performance of this pull request for commit 5f7b71a.

*** 0.0% transaction FAILURE rate for NonConflictingTx+Scan workload, 1 threads, Disk mode
*** 0.0% transaction FAILURE rate for NonConflictingTx+Scan workload, 5 threads, Disk mode
*** 0.0% transaction FAILURE rate for NonConflictingTx+Scan workload, 10 threads, Disk mode
*** 0.0% transaction FAILURE rate for NonConflictingTx workload, 1 threads, Disk mode
*** 0.0% transaction FAILURE rate for NonConflictingTx workload, 5 threads, Disk mode
*** 0.0% transaction FAILURE rate for NonConflictingTx workload, 10 threads, Disk mode

An interactive dashboard with Pull Request Performance Metrics for ALL cluster types and numbers of threads in run, is available at:
Pull Request #1067 Graphs

[codecov]

Codecov Report

Merging #1067 into master will increase coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1067      +/-   ##
==========================================
+ Coverage   66.63%   66.66%   +0.03%     
==========================================
  Files         201      201              
  Lines        9593     9593              
  Branches      969      969              
==========================================
+ Hits         6392     6395       +3     
+ Misses       2829     2825       -4     
- Partials      372      373       +1

Impacted Files	Coverage Δ
.../infrastructure/management/PeriodicPollPolicy.java	89.01% <0%> (-3.3%)	⬇️
...va/org/corfudb/protocols/wireprotocol/LogData.java	84.16% <0%> (-0.84%)	⬇️
...main/java/org/corfudb/runtime/view/LayoutView.java	84.84% <0%> (ø)	⬆️
.../org/corfudb/runtime/object/CorfuCompileProxy.java	61.84% <0%> (+0.57%)	⬆️
...rg/corfudb/runtime/object/VersionLockedObject.java	89.67% <0%> (+1.63%)	⬆️
...org/corfudb/runtime/view/LayoutManagementView.java	52.34% <0%> (+2.34%)	⬆️

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