### Question:
DumpedFsReader implements FsReader { @Override public String readFully(File file) { return IoUtils.readFully(file); }  @Override String readFully(File file); @Override List<String> readLines(File file); @Override Optional<String> firstLineOf(File file, Predicate<String> predicate);  }### Answer:
@Test void readFully() { String expected = "k1:" + LINES_SEPARATOR + " k2: v2"; assertEquals(expected, reader.readFully(resourceFile())); }