Clean Code for apitools/org.eclipse.pde.api.tools.tests

[eclipse-pde-bot]

The following cleanups where applied:

• Add final modifier to private fields
• Add missing '@Deprecated' annotations
• Add missing '@Override' annotations
• Add missing '@Override' annotations to implementations of interface methods
• Convert control statement bodies to block
• Make inner classes static where possible
• Remove unnecessary array creation for varargs
• Replace deprecated calls with inlined content where possible
• Use pattern matching for instanceof

[github-actions]

Test Results

   285 files  ±0     285 suites  ±0   47m 31s ⏱️ - 2m 46s
 3 611 tests ±0   3 534 ✅  - 1   76 💤 ±0  1 ❌ +1 
11 025 runs  ±0  10 793 ✅  - 1  231 💤 ±0  1 ❌ +1 

For more details on these failures, see this check.

Results for commit 6dacaaf. ± Comparison against base commit 4873af8.