@Test
public void canReadMemInfoFileIfExists() {

  final long size = this.util.getOsTotalFreeMemorySize();
  final Path memFile = Paths.get("/proc/meminfo");
  if (!(Files.isRegularFile(memFile) && Files.isReadable(memFile))) {
    assertTrue(size == 0);
  }
  // todo HappyRay: investigate why size returned is 0 on Travis only but works on my Linux machine.
  // I can't find a way to get to the Gradle test report on Travis which makes debugging difficult.
}