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

test/transform/resource/before/CleanupPlain.java

@@ -0,0 +1,11 @@
+import lombok.Cleanup;
+import java.io.*;
+class CleanupPlain {
+	void test() throws Exception {
+		@lombok.Cleanup InputStream in = new FileInputStream("in");
+		@Cleanup OutputStream out = new FileOutputStream("out");
+		if (in.markSupported()) {
+			out.flush();
+		}
+	}
+}