copyFile(dir, "segments_2", "segments_1");
// Create a bogus cfs file shadowing a non-cfs segment:
// TODO: assert is bogus (relies upon codec-specific filenames)
assertTrue(dir.fileExists("_3.fdt") || dir.fileExists("_3.fld"));
assertTrue(!dir.fileExists("_3.cfs"));
copyFile(dir, "_1.cfs", "_3.cfs");
String[] filesPre = dir.listAll();