Bug 91081 [quick fix] Quick complete should introspect method change when return val from method
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/quickfix/ReturnTypeQuickFixTest.java
buf.append("    }\n");
			buf.append("}\n");
			assertEqualString(preview, buf.toString());
		}
		{
			ASTRewriteCorrectionProposal proposal= (ASTRewriteCorrectionProposal) proposals.get(1);
			String preview= getPreviewContent(proposal);
	
			buf= new StringBuffer();
			buf.append("package test1;\n");	
			buf.append("public class E {\n");
			buf.append("    public E() {\n");
			buf.append("    }\n");
			buf.append("}\n");
			assertEqualString(preview, buf.toString());
		}		
	}
	
	
	public void testCorrectReturnStatement() throws Exception {
		IPackageFragment pack1= fSourceFolder.createPackageFragment("test1", false, null);
		StringBuffer buf= new StringBuffer();
		buf.append("package test1;\n");
		buf.append("public class E {\n");
		buf.append("    public Runnable getOperation() {\n");
		buf.append("        return;\n");
		buf.append("    }\n");
		buf.append("}\n");
		ICompilationUnit cu= pack1.createCompilationUnit("E.java", buf.toString(), false, null);