Bug 112197 [quick fix] "Add @SuppressWarnings 'unchecked' to 'foo()'" appears twice
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/ModifierCorrectionsQuickFixTest.java
buf.append("package test2;\n");
		buf.append("public class C {\n");
		buf.append("    public void foo() {\n");
		buf.append("    }\n");		
		buf.append("}\n");
		pack2.createCompilationUnit("C.java", buf.toString(), false, null);
		
		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("import test2.C;\n");
		buf.append("public class E extends C {\n");
		buf.append("    public static void foo() {\n");
		buf.append("    }\n");		
		buf.append("}\n");
		ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);
		
		CompilationUnit astRoot= getASTRoot(cu);
		ArrayList proposals= collectCorrections(cu, astRoot);
		assertNumberOfProposals(proposals, 1);
		assertCorrectLabels(proposals);
		
		CUCorrectionProposal proposal= (CUCorrectionProposal) proposals.get(0);
		String preview= getPreviewContent(proposal);
		buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("import test2.C;\n");
		buf.append("public class E extends C {\n");
		buf.append("    public void foo() {\n");
		buf.append("    }\n");