Fix Eclipse-I tests

[Rawi01]

This PR fixes the two broken test steps

• The normal test failed because the old constructor of CaseStatement doesn't exists anymore. I also reworked the code a little bit to use static final fields.
• The integration test failed because the referenced class CodeStyleCleanUp was renamed to CodeStyleCleanUpCore.

[andi-huber]

I'm using Eclipse 2024-03 (4.31) with Eclipse Marketplace solution Java 22 support for Eclipse 2024-03 (4.31) installed.

As far as I can tell, this patch works great for me, thanks!

[rzwitserloot]

Current [edge] is available with this patch included if you need it now. We'll try to get a new release out with it asap.

[diegovilar]

Even with this build (downloaded from runs/8350007437), I'm still getting the error in Java 17:

[Error - 11:13:32 AM] May 16, 2024, 11:13:32 AM Lombok annotation handler class lombok.eclipse.handlers.HandleBuilder failed
'void org.eclipse.jdt.internal.compiler.ast.CaseStatement.<init>(org.eclipse.jdt.internal.compiler.ast.Expression, int, int)'
java.lang.NoSuchMethodError: 'void org.eclipse.jdt.internal.compiler.ast.CaseStatement.<init>(org.eclipse.jdt.internal.compiler.ast.Expression, int, int)'
	at lombok.eclipse.Eclipse.createCaseStatement(Eclipse.java:285)
	at lombok.eclipse.handlers.singulars.EclipseJavaUtilListSingularizer.appendBuildCode(EclipseJavaUtilListSingularizer.java:75)
	at lombok.eclipse.handlers.HandleBuilder.generateBuildMethod(HandleBuilder.java:821)
	at lombok.eclipse.handlers.HandleBuilder.handle(HandleBuilder.java:563)
	at lombok.eclipse.HandlerLibrary$AnnotationHandlerContainer.handle(HandlerLibrary.java:106)
	at lombok.eclipse.HandlerLibrary.handleAnnotation(HandlerLibrary.java:237)
	at lombok.eclipse.TransformEclipseAST$AnnotationVisitor.visitAnnotationOnMethod(TransformEclipseAST.java:264)
	at lombok.eclipse.EclipseNode.traverse(EclipseNode.java:113)
	at lombok.eclipse.EclipseAST.traverseChildren(EclipseAST.java:231)
	at lombok.eclipse.EclipseNode.traverse(EclipseNode.java:90)
	at lombok.eclipse.EclipseAST.traverseChildren(EclipseAST.java:231)
	at lombok.eclipse.EclipseNode.traverse(EclipseNode.java:74)
	at lombok.eclipse.EclipseAST.traverseChildren(EclipseAST.java:231)
	at lombok.eclipse.EclipseNode.traverse(EclipseNode.java:69)
	at lombok.eclipse.EclipseAST.traverse(EclipseAST.java:224)
	at lombok.eclipse.TransformEclipseAST.go(TransformEclipseAST.java:226)
	at lombok.eclipse.TransformEclipseAST.transform(TransformEclipseAST.java:187)
	at lombok.eclipse.TransformEclipseAST.transform_swapped(TransformEclipseAST.java:104)
	at jdk.internal.reflect.GeneratedMethodAccessor41.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.base/java.lang.reflect.Method.invoke(Unknown Source)
	at lombok.launch.PatchFixesHider$Util.invokeMethod(PatchFixesHider.java:146)
	at lombok.launch.PatchFixesHider$Transform.transform_swapped(PatchFixesHider.java:272)
	at org.eclipse.jdt.internal.compiler.parser.Parser.endParse(Parser.java:11535)
	at org.eclipse.jdt.internal.core.util.CommentRecorderParser.endParse(CommentRecorderParser.java:131)
	at org.eclipse.jdt.internal.compiler.parser.Parser.parse(Parser.java:12735)
	at org.eclipse.jdt.internal.compiler.parser.Parser.parse(Parser.java:12965)
	at org.eclipse.jdt.internal.compiler.parser.Parser.parse(Parser.java:12922)
	at org.eclipse.jdt.internal.compiler.parser.Parser.dietParse(Parser.java:11306)
	at org.eclipse.jdt.internal.compiler.Compiler.internalBeginToCompile(Compiler.java:850)
	at org.eclipse.jdt.internal.compiler.Compiler.beginToCompile(Compiler.java:393)
	at org.eclipse.jdt.core.dom.CompilationUnitResolver.resolve(CompilationUnitResolver.java:1256)
	at org.eclipse.jdt.core.dom.CompilationUnitResolver.resolve(CompilationUnitResolver.java:791)
	at org.eclipse.jdt.core.dom.ASTParser.internalCreateASTCached(ASTParser.java:1243)
	at org.eclipse.jdt.core.dom.ASTParser.lambda$0(ASTParser.java:1121)
	at org.eclipse.jdt.internal.core.JavaModelManager.cacheZipFiles(JavaModelManager.java:5766)
	at org.eclipse.jdt.core.dom.ASTParser.internalCreateAST(ASTParser.java:1121)
	at org.eclipse.jdt.core.dom.ASTParser.createAST(ASTParser.java:869)
	at org.eclipse.jdt.internal.corext.refactoring.util.RefactoringASTParser.parse(RefactoringASTParser.java:65)
	at org.eclipse.jdt.internal.corext.refactoring.structure.CompilationUnitRewrite.getRoot(CompilationUnitRewrite.java:336)
	at org.eclipse.jdt.internal.corext.refactoring.structure.CompilationUnitRewrite.getASTRewrite(CompilationUnitRewrite.java:346)
	at org.eclipse.jdt.internal.corext.refactoring.structure.ChangeSignatureProcessor.checkInitialConditions(ChangeSignatureProcessor.java:763)
	at org.eclipse.jdt.ls.core.internal.text.correction.RefactorProposalUtility.getChangeSignatureProposal(RefactorProposalUtility.java:972)
	at org.eclipse.jdt.ls.core.internal.corrections.RefactorProcessor.getChangeSignatureProposal(RefactorProcessor.java:1027)
	at org.eclipse.jdt.ls.core.internal.corrections.RefactorProcessor.getProposals(RefactorProcessor.java:160)
	at org.eclipse.jdt.ls.core.internal.handlers.CodeActionHandler.getCodeActionCommands(CodeActionHandler.java:187)
	at org.eclipse.jdt.ls.core.internal.handlers.JDTLanguageServer.lambda$14(JDTLanguageServer.java:765)
	at org.eclipse.jdt.ls.core.internal.BaseJDTLanguageServer.lambda$0(BaseJDTLanguageServer.java:87)
	at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(Unknown Source)
	at java.base/java.util.concurrent.CompletableFuture$Completion.exec(Unknown Source)
	at java.base/java.util.concurrent.ForkJoinTask.doExec(Unknown Source)
	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(Unknown Source)
	at java.base/java.util.concurrent.ForkJoinPool.scan(Unknown Source)
	at java.base/java.util.concurrent.ForkJoinPool.runWorker(Unknown Source)
	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source)