### Question:
SuppressionFileUtils { protected static boolean is1800File(Path path) { return FILENAME_PATTERN.matcher(path.getFileName().toString()).matches(); } private  SuppressionFileUtils();   }### Answer:
@Test public void testIs1800File() { assertTrue(SuppressionFileUtils.is1800File(Paths.get("./src/test/resources/T#EFT.ON.ACO.NGD1800.DPRF.D181120.T1000009"))); }