build: streamline test setup in otter modules

[jjohannes]

Description:

Streamline the test setup in otter and ensure that all tests run on the module path.

Related issue(s):

Follow up to #21846 and previous PRs that touched this test setup.

Notes for reviewer:

• Check modified module-info.java files and check added exports --> follow up Clean up exports #21989

[lfdt-bot]

✅ Snyk checks have passed. No issues have been found so far.

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✅	Open Source Security	0	0	0	0	0 issues

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[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ +0.02% (target: -1.00%)	✅ ∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (ef884bc)	104326	78036	74.80%
Head commit (5e81aad)	104326 (+0)	78052 (+16)	74.82% (+0.02%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#21953)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

@@             Coverage Diff              @@
##               main   #21953      +/-   ##
============================================
+ Coverage     70.89%   70.91%   +0.01%     
- Complexity    24424    24431       +7     
============================================
  Files          2668     2668              
  Lines        104421   104421              
  Branches      10965    10965              
============================================
+ Hits          74030    74049      +19     
+ Misses        26340    26324      -16     
+ Partials       4051     4048       -3     

see 19 files with indirect coverage changes

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[netopyr]

Awesome improvement! Much cleaner now. Thanks, @jjohannes

[anthony-swirldslabs]

• platform-sdk/base-crypto/src/main/java/module-info.java

LGTM.