refactored the tests to prepare running ecj as well as delombok.

test/transform/resource/after-delombok/CleanupPlain.java

@@ -0,0 +1,18 @@
+import java.io.*;
+class CleanupPlain {
+	void test() throws Exception {
+		InputStream in = new FileInputStream("in");
+		try {
+			OutputStream out = new FileOutputStream("out");
+			try {
+				if (in.markSupported()) {
+					out.flush();
+				}
+			} finally {
+				out.close();
+			}
+		} finally {
+			in.close();
+		}
+	}
+}