fix: better cleaup for Java template tests

[matejvasek]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (6a2db8e) 63.64% compared to head (16959c2) 64.64%.
Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2051      +/-   ##
==========================================
+ Coverage   63.64%   64.64%   +1.00%     
==========================================
  Files         107      107              
  Lines       13700    13700              
==========================================
+ Hits         8720     8857     +137     
+ Misses       4125     3965     -160     
- Partials      855      878      +23     

Flag	Coverage Δ
e2e-test	36.46% <ø> (ø)
e2e-test-oncluster	30.53% <ø> (ø)
e2e-test-oncluster-runtime	26.96% <ø> (?)
e2e-test-runtime-go	25.50% <ø> (?)
e2e-test-runtime-node	26.60% <ø> (?)
e2e-test-runtime-quarkus	26.71% <ø> (?)
e2e-test-runtime-springboot	25.73% <ø> (?)
e2e-test-runtime-typescript	26.68% <ø> (?)
integration-tests	51.90% <ø> (+2.05%)	⬆️
unit-tests-macos-latest	48.76% <ø> (-0.03%)	⬇️
unit-tests-ubuntu-latest	49.56% <ø> (+0.04%)	⬆️
unit-tests-windows-latest	48.83% <ø> (ø)

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see 8 files with indirect coverage changes

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[matejvasek]

PTAL @jrangelramos @gauron99 @lkingland

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lkingland, matejvasek

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